Geoffrey, Leech N.
A linguistic guide to english poetry
Longmans, 1993
Buku Teks
Thomas, Joe G.
Study guide management/ Joe G Thomas
Houghton Miffiln, 1990
Buku Teks
Low, Ona
Proficiency in english course
Edward Arnold, 1986
Buku Teks
Stone, Linton
Cambridge proficiency English / Linton Stone
Macmillan, 1967
Buku Teks
Moulton, William G.
A linguistic guide to language teaching
Modern Language Association of America, 1966
Buku Teks SO