Gaya APA

Hasley, W, D. (1983). Collrer's Encyclopedia Vol 13 Infinity to Katmai (13). New York: Macmillan Education Company.

Gaya MLA

Hasley, Wiliam, D.. "Collrer's Encyclopedia Vol 13 Infinity to Katmai". 13 New York: Macmillan Education Company, 1983. .