APA引文

LUBIS, Y. (1988). Developing communicative proficiency in the english asa foreign language (EFL) class. Depdikbud.

Chicago Style (17th ed.) Citation

LUBIS, Yusnaini. Developing Communicative Proficiency in the English Asa Foreign Language (EFL) Class. Jakarta: Depdikbud, 1988.

MLA引文

LUBIS, Yusnaini. Developing Communicative Proficiency in the English Asa Foreign Language (EFL) Class. Depdikbud, 1988.

警告：這些引文格式不一定是100％准確.