Alexander, L.G.
Developing skills : an integrated course for intermediate students
Longman, 1964
Buku Teks SO
Camp, Sue C.
Developing proofreading and editing skills
McGraw-Hill, 2001
Multimedia
Chandrasegaran, Antonia
Crossover : a course for developing reading and writing skills
McGraw-Hill, 1995
Buku Teks SO
Camp, Sue C.
Developing proofreading and editing skills
Glencoe/McGraw-Hill, 2001
Buku Teks SO
Folse, Keith S.
Intermediate reading practices building reading and vocabulary skills
Binarupa Aksara Press , 1993
Buku Teks SO