Richards, J., & Long, M. (1984). Breakthrough: A Course in English Communication Practice. Oxford: Oxford University Press.
Chicago Style citaatRichards, J.c., en M.n Long. Breakthrough: A Course in English Communication Practice. Oxford: Oxford University Press, 1984.
MLA citatieRichards, J.c., en M.n Long. Breakthrough: A Course in English Communication Practice. Oxford: Oxford University Press, 1984.
Let op: Deze citaties zijn niet altijd 100% accuraat.