Gaya APA

McCallum, G, P., Willams, R. (1983). Idiom Drills for Student of English as a Second Language (7). New York: New York: Harper & Row, Pulisher.

Gaya MLA

McCallum, George, P.., Willams, Rita. "Idiom Drills for Student of English as a Second Language ". 7 New York: New York: Harper & Row, Pulisher, 1983. Text.