Ferrer, Jami
Mosaic II: a listening/speaking skills book / by Jami Ferrer and Elizabeth Whalley
Random House, 1985
Buku Teks
Ramelan P. Utojo
Reading practice : for reading speed improvement / Ramelan
IKIP Semarang Press , 1990
Buku Teks
Murray, Maggie
Streets ahead: student's book 2
Oxford University Press, 1994
Buku Teks
Dixson, Robert J.
Modern American English; Book 1
Regents Publishing, 1971
Buku Teks
O`Neill, Robert
Kernel lessons intermediate students book / Robert O'Neill, Roy Kingsbury, and Tony Yeadon
Longman, 1990
Buku Teks