Gaya APA

McCallum, G, P. (1983). Idiom Drills: For Students Of English As A Second Language (Cet 1). New York: Harper dan Row, Publishers.

Gaya MLA

McCallum, George, P.. "Idiom Drills: For Students Of English As A Second Language". Cet 1 New York: Harper dan Row, Publishers, 1983. Text.