Gaya APA

Walter, M, S, A, C. (1985). The Cambridge English Course : 2 Practice Book (1). New York: University Of Cambridge Local Exami Nations Syndiante.

Gaya MLA

Walter, Michael, Swan, And, Catherine. "The Cambridge English Course : 2 Practice Book". 1 New York: University Of Cambridge Local Exami Nations Syndiante, 1985. Text.