Bussmann, Hadumod
Routledge dictionary of language and linguistics
Routledge, 1996
 Buku Referensi
McArthur, Thomas Burns
A foundation course for language teachers
Cambridge University Press, 1983
 Buku Teks SO
Language teaching and linguistics surveys
edited by Valerie Kinsella
Cambridge Uniiversity Press , 1979
 Buku Teks
Croft, William
Cognitive linguistics / William Croft and D. Alan Cruse
Cambridge University Press, 2004
 Buku Teks
John E. Joseph
Language and Politics
Edinburgh University Press, 2009
 eBooks