Lua APA (7ú heag.)
Bostock, S. S. C. (1993). Zoos and animal rights: The ethics of keeping animals. Routledge.
Lua i Stíl Chicago (17ú heag.)
Bostock, Stephen St. C. Zoos and Animal Rights: The Ethics of Keeping Animals. London ; New York: Routledge, 1993.
Lua MLA (9ú heag.)
Bostock, Stephen St. C. Zoos and Animal Rights: The Ethics of Keeping Animals. Routledge, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.