APA引文

Allen, H. B. (1972). Teaching English as a Second Languages. Mcgraw -Hill INC.

Trích dẫn kiểu Chicago

Allen, Harold B. Teaching English As a Second Languages. Mcgraw -Hill INC, 1972.

MLA引文

Allen, Harold B. Teaching English As a Second Languages. Mcgraw -Hill INC, 1972.

警告：這些引文格式不一定是100％准確.