APA引文

Richards, J., & Long, M. (1990). Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press.

Trích dẫn kiểu Chicago

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

MLA引文

Richards, J.c., và M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1990.

警告：這些引文格式不一定是100％准確.