Graver, B.D.
Advanced English practice
Oxford University Press, 1990
Buku Teks SO
Allsop, Jake
English for Cambridge first certificate: a new course
Cassell, 1981
Buku Teks SO
Fowler, W.S.
Nelson English language test. Book 2 Intermediate / W.S. Fowler and Norman Coe
Thomas Nelson, 1976
Buku Teks SO
Laws, Valerie
Au secours : teacher's book
Buku Teks
Fowler, W.S
Nelson english langueage tests: book 3 advanced/ Norman Coe
Nelson, 1976
Buku Teks SO