Alexander, L.G.
Developing skills : an integrated course for intermediate students
Longman, 1964
 Buku Teks SO
Langan, John, 1942-
Sentence skills : a workbook for writers
McGraw-Hill, 1994
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Hodges, John C.
Harbrace college handbook
Harcourt, Brace & World, 1962
 Buku Teks SO
Hodges, John C.
Harbrace college handbook
Harcourt Brace Jovanovich, 1972
 Buku Teks SO
Langan, John, 1942-
College writing skills with readings
McGraw-Hill, 2001
 Buku Teks SO