Gaya APA
Widdowson, H.G.. (1978).
Teaching language as communication. .
London:
Oxford University Press.
Gaya Chicago
Widdowson, H.G..
Teaching language as communication..
London:
Oxford University Press,
1978.
Text.
Gaya MLA
Widdowson, H.G..
Teaching language as communication..
London:
Oxford University Press,
1978.
Text.
Gaya Turabian
Widdowson, H.G..
Teaching language as communication..
London:
Oxford University Press,
1978.
Print.