APA Citatie

Richards, J., & Long, M. (1993). Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press.

Chicago Style citaat

Richards, J.c., en M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1993.

MLA citatie

Richards, J.c., en M.n Long. Breakthrough: A Course in English Communication Practice.Workbook. Oxford: Oxford University Press, 1993.

Let op: Deze citaties zijn niet altijd 100% accuraat.