APA Alıntı

Crystal, D. (2004). The Penguin book of facts. New York: Penguin Books.

Chicago Stili Alıntı

Crystal, David. The Penguin Book of Facts. New York: Penguin Books, 2004.

MLA Alıntı

Crystal, David. The Penguin Book of Facts. New York: Penguin Books, 2004.