Gaya APA

WIDDOWSON, . (1989). Discourse : language teaching a scheme for teacher eduction/ H.G.Widdowsn, C.N. Cadlin . New York: Oxford University Press.

Gaya MLA

WIDDOWSON, . "Discourse : language teaching a scheme for teacher eduction/ H.G.Widdowsn, C.N. Cadlin". New York: Oxford University Press, 1989. Text.