1. ABC News (2016) SeaWorld to end killer Whale breeding program. Retrieved 4 June 2016 https://abcnews.go.com/US/seaworld-end-orca-breeding-program/story?id=37712730
2. Adams CM, Larkin SL, Lee DJ (1999) Volume and value of marine ornamentals collected in Florida, 1990–98. Aquar Sci Conserv 3(1):25–36
3. Anderson C, Waheed A (2001) The economics of shark and ray watching in the Maldives. Shark News 13. Newsletter of IUCN Shark Specialist Group, New York, 3 p
4. AZA (2007) Visitor impact, AZA official website. Accessed 3 Feb 2007 https://www.aza.org/partnerships-visitor-demographics
5. Benchley P (1974) Jaws. Random House, New York. 320 p