Gaya APA

Keith, J, K, &, M. (1981). Longman Handbooks for Language Teachers Communication in the Classroom (1). Hongkong: Longman.

Gaya MLA

Keith, Juhnson, Keith, &, Morrow. "Longman Handbooks for Language Teachers Communication in the Classroom". 1 Hongkong: Longman, 1981. Buku Analog.