Kirchshofer, R. (1968). The world of zoos: A survey and gazetteer. Batsford.
Chicagoスタイル(17版)引用形式Kirchshofer, Rosl. The World of Zoos: A Survey and Gazetteer. London: Batsford, 1968.
MLA(9版)引用形式Kirchshofer, Rosl. The World of Zoos: A Survey and Gazetteer. Batsford, 1968.
警告: この引用は必ずしも正確ではありません.