1. Lak, D. (2014, March 24). Exxon Valdez spill effects linger 25 years on. Retrieved from https://www.aljazeera.com/indepth/features/2014/03/exxon-valdez-spill-25-years-alaska-2014324101725585439.html

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2. Editors, H. (2018, March 09). Exxon Valdez Oil Spill. Retrieved from https://www.history.com/topics/1980s/exxon-valdez-oil-spill

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3. https://www.nps.gov/kefj/learn/nature/upload/kefj_evos_1989-2009_qa.pdf