Bostock, S. S. C. (1993). Zoos and animal rights: The ethics of keeping animals. Routledge.
芝加哥风格引文Bostock, Stephen St. C. Zoos and Animal Rights: The Ethics of Keeping Animals. London ; New York: Routledge, 1993.
MLA引文Bostock, Stephen St. C. Zoos and Animal Rights: The Ethics of Keeping Animals. Routledge, 1993.
警告：这些引文格式不一定是100％准确.