Kirchshofer, R. (1968). The world of zoos: A survey and gazetteer. Batsford.
芝加哥风格引文Kirchshofer, Rosl. The World of Zoos: A Survey and Gazetteer. London: Batsford, 1968.
MLA引文Kirchshofer, Rosl. The World of Zoos: A Survey and Gazetteer. Batsford, 1968.
警告：这些引文格式不一定是100％准确.