McCullagh, Marie
Good practice: communication skills in English for the medical practitioner: techer's book/ Marie McCullagh and Ros Wright
Cambridge University Press, 2008
 Buku Teks
English for specific purposes : law
disusun oleh Sofia Rangkuti-Hasibuan ; editor, Nung Atasana
Gramedia Pustaka Utama, 1992
 Buku Teks
English this way : teacher's manual and key to books 7-12
Macmillan, 1965
 Buku Teks
Axtell, Roger E.
Dos and taboos of using English around the world / Roger E. Axtell
John Wiley & Sons, 1995
 Buku Teks
Jesness, Jerry
Teaching english language learners k-12 : a quick-start guide for the new teacher
Corwin Press, 2004
 Buku Teks