American Chemical Society (2017). Development of the Pennsylvania Oil Industry -National Historic Chemical Landmark - American Chemical Society. [ONLINE] Available at: https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/pennsylvaniaoilindustry.html. [Accessed 11 September 2017].
Bennett H. Wall et al. (1988). Growth in a Changing Environment: A History of Standard Oil Company (New Jersey), 1950-1972, and Exxon Corporation, 1972-1975.
Cleverism. (2017). Business model canvas: Creating a Value Proposition. [ONLINE] Available at: https://www.cleverism.com/business-model-canvas-creating-valueproposition/. [Accessed 05 September 2017].
Liam Denning. (2017). The Oil Glut Rewrites History - Bloomberg Gadfly. [ONLINE] Available at: https://www.bloomberg.com/gadfly/articles/2017-08-17/opeccutbacks-are-diluted-by-oil-s-long-bloat. [Accessed 09 October 2017].
Available at: https://www.forbes.com/sites/michaelskok/2013/06/14/4-steps-tobuilding-a-compelling-value-proposition/#46faa7a74695. [Accessed 30 October 2017].
OilPrice.com. [ONLINE] Available at: http://oilprice.com/Energy/Energy-General/The-5-Biggest-Strategic-Petroleum-Reserves-In-The-World.html. [Accessed 09 October 2017].
Panmore Institute. (2017). Tesla Motors, Inc.’s Vision Statement & Mission Statement (An Analysis) - Panmore Institute. [ONLINE] Available at: http://panmore.com/teslamotors-inc-vision-statement-mission-statement-analysis. [Accessed 30 November 2017].
Paul A. Haslam, Pablo Heidrich. (2016). The Political Economy of Natural Resources and Development: From Neoliberalism to Resource Nationalism. Routledge. ISBN: 978131741891710.4324/9781315687698
Pollution causes, effects and solutions. (2017). Pollution causes, effects and solutions. [ONLINE] Available at: https://www.slideshare.net/zizou27300/pollution-causeseffects-and-solutions. [Accessed 14 September 2017].
Tantau A., Staiger R. (2017). Business Models for Renewable Energy Initiatives: Emerging Research and Opportunities, IGI Global10.4018/978-1-5225-2688-9
U.S. Crude Oil First Purchase Price (Dollars per Barrel). (2017). U.S. Crude Oil First Purchase Price (Dollars per Barrel). [ONLINE] Available at: https://www.eia.gov/dnav/pet/hist/LeafHandler.ashx?n=pet&s=f000000__3&f=a. [Accessed 07 October 2017].
US EPA. (2017). Climate Change Indicators: Greenhouse Gases Climate Change Indicators in the United States US EPA. [ONLINE] Available at: https://www.epa.gov/climateindicators/greenhouse-gases. [Accessed 21 September 2017].