APA引文

Campbell, R., & Clandfield, L. (2012). Owl hall: Pre-intermediate level. London: Macmillan Education.

Trích dẫn kiểu Chicago

Campbell, Robert., và Lindsay Clandfield. Owl Hall: Pre-intermediate Level. London: Macmillan Education, 2012.

MLA引文

Campbell, Robert., và Lindsay Clandfield. Owl Hall: Pre-intermediate Level. London: Macmillan Education, 2012.

警告：這些引文格式不一定是100％准確.