Works Cited: Mill, John Stuart. 1861. In Social and Political Philosophy, edited by “Utilitarianism”. James P. Sterba, 334-339. California: Wadsworth Cengage Learning. safest place for an animal is its natural habitat—not a zoo”. The The Guardian. “The Guardian News and Media Limited. 20 September 2010. Web. 10 December 2015. Rights Uncompromised: Zoos”. People for the Ethical Treatment of Peta. “Animal Animals. n.d. Web. 10 December 2015. Animals in Zoos are Happy: Really?” HealthProfs.com. 7 Psychology Today. “Most September 2012. Web. 10 December 2015. facts about zoos”. Captive Animals Protection Society. 3 March 2010. Web. 10 Caps. “10 December 2015. Tom. New York, Rowman Empty Cages: Facing the Challenge of Animal Rights. and Littlefield Publishers. n.d. Print.
Works Cited: Mill, John Stuart. 1861. “Utilitarianism”. In Social and Political Philosophy, edited by James P. Sterba, 334-339. California: Wadsworth Cengage Learning. “The safest place for an animal is its natural habitat—not a zoo”. The Guardian. The Guardian News and Media Limited. 20 September 2010. Web. 10 December 2015. “Animal Rights Uncompromised: Zoos”. Peta. People for the Ethical Treatment of Animals. n.d. Web. 10 December 2015. “Most Animals in Zoos are Happy: Really?” Psychology Today. HealthProfs.com. 7 September 2012. Web. 10 December 2015. “10 facts about zoos”. Caps. Captive Animals Protection Society. 3 March 2010. Web. 10 December 2015. Tom. Empty Cages: Facing the Challenge of Animal Rights. New York, Rowman and Littlefield Publishers. n.d. Print.