Smith, Charles John
Synonyms discriminated: a dictionary of synonymous words in the English langauge
Bell and Sons, 1917
 Buku Referensi
Farrell, Thomas S.C.
Succeeding with english langauge learners : a guide for beginning teachers
Corwin Press, 2006
 Buku Teks
Preparing quality educators for english langauge learners : research, politics, and practices / Edited by Kip Tellez
Lawrence Erlabaum Associates Publisher , 2005
 Buku Teks
Yerby, George.
The English Revolution and the roots of environmental change : the changing concept of the land in early modern England
Routledge, 2016
 Buku Teks
Bachman, Lyle F.
Statistical analyses for langauge assessment
Cambridge University Press, 2004
 Buku Teks