APA (7th ed.) Citation

SWAN, M., & WALTER, C. (1986). The cambridge english course 1: Practice book. Cambridge Uni. Press;LP3B.

Chicago Style (17th ed.) Citation

SWAN, Michael, and Catherine WALTER. The Cambridge English Course 1: Practice Book. Cambridge;Jakarta: Cambridge Uni. Press;LP3B, 1986.

MLA (9th ed.) Citation

SWAN, Michael, and Catherine WALTER. The Cambridge English Course 1: Practice Book. Cambridge Uni. Press;LP3B, 1986.