Gaya APA

Hasley, W, D. (1983). Collrer's Encyclopedia Vol 4 Begonia to Burmese (4). New York: Macmillan Education Company.

Gaya MLA

Hasley, Wiliam, D.. "Collrer's Encyclopedia Vol 4 Begonia to Burmese". 4 New York: Macmillan Education Company, 1983. .