Gaya APA

Stanley, C, K, ;, N. (1989). Building skills for the TOEFL test of English as a foreign language ed. 2 (ed. 2). jakarta: Binarupa Aksara.

Gaya MLA

Stanley, Carol, King, ;, Nancy. "Building skills for the TOEFL test of English as a foreign language ed. 2". ed. 2 jakarta: Binarupa Aksara, 1989. Text.