Gould, S. J. (1980). The Panda's thump. New York: Penguin Books.
Trích dẫn kiểu ChicagoGould, Stephen Jay. The Panda's Thump. New York: Penguin Books, 1980.
MLA引文Gould, Stephen Jay. The Panda's Thump. New York: Penguin Books, 1980.
警告：這些引文格式不一定是100％准確.