ডঃ আৰু মাহমুদ. (1972). Counter Course: A handbook for course criti-. Penguins.
Chicago Style (17th ed.) Citationডঃ আৰু মাহমুদ. Counter Course: A Handbook for Course Criti-. Harmonds-: Penguins, 1972.
MLA引文ডঃ আৰু মাহমুদ. Counter Course: A Handbook for Course Criti-. Penguins, 1972.
警告：這些引文格式不一定是100％准確.