APA引文

Spears, R. A. (1990). Forbidden American English. Lincolnwood, Ill., USA: Passport Books.

Trích dẫn kiểu Chicago

Spears, Richard A. Forbidden American English. Lincolnwood, Ill., USA: Passport Books, 1990.

MLA引文

Spears, Richard A. Forbidden American English. Lincolnwood, Ill., USA: Passport Books, 1990.

警告：這些引文格式不一定是100％准確.