English 900 / prepared by English Language Services, Inc.
Collier McMillan , 1964
 Buku Teks
Sambrook, G.A.
English language
Longmans, Green, 1947
 Buku Teks
Parrot, Martin
Grammar for English language teachers
Cambridge University Press, 2003
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Crystal, David, 1941-
English as a global language
Cambridge University Press , 2007
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Koneru, Aruna
English language skills
Tata McGraw-Hill, 2011
 Buku Teks