Gaya APA

Rivers, W, M. (1982). Communicating naturally in a second language : theory and practice in language teaching . Cambridge, Mass: Effendiharahap Publishing Coy.

Gaya MLA

Rivers, Wilga, M.. "Communicating naturally in a second language : theory and practice in language teaching". Cambridge, Mass: Effendiharahap Publishing Coy, 1982. Text.