Gaya APA

Strevens, P., Inc, E, L, S. (1971). English 901 : A Basic Course (book 1, fourth printing). New York: The Mac Millan Company.

Gaya MLA

Strevens, Peter., Inc, English, Language, Services,. "English 901 : A Basic Course". book 1, fourth printing New York: The Mac Millan Company, 1971. Text.