Pardiyono
Pasti bisa communicative grammar focus and exercise for easier conversation and better assessment
Andi, 2005
Buku Teks
Morrison, L. A.
Conversations in English for foreign students
Central Press, 1956
Buku Teks
Dixson, Robert J.
Everyday dialogues in english
Regents Oublishing, 1953
Buku Teks
Freeborn, Dennis
Varieties of english; an introduction to the study of language
Macmillan, 1993
Buku Teks
Bruce, Kenneth C.
Corrective English speech course for South-East Asia / K. C. Bruce
Longman, 1966
Buku Teks