Gaya APA

Mathhews, A., Read, C. (1980). TANDEM : Communicative practice materials for post elementary & intermediate student of english . London: Bell & Hyman Limited.

Gaya MLA

Mathhews, Alan., Read, Carol. "TANDEM : Communicative practice materials for post elementary & intermediate student of english". London: Bell & Hyman Limited, 1980. Text.