Lauder, Allan, author
The Status and function of English in Indonesia : A Review of key factors
[Direktorat Riset dan Pengabdian Masyarakat UI; Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia], 2008
 Artikel Jurnal
Mair, Christian, author
Twentieth-century english : history, variation, and standardization
Cambridge University Press, 2006
 Buku Teks
Blundell, Jon, author
Function in English
Oxford University Press, 1982
 Buku Teks
Tomasowa, Francien Herlen, author
English for non-english departements
Universitas Brawijaya , 2005
 Buku Teks
Scobie, Janet I.
English for the certificate
George Allen and Unwin, 1959
 Buku Teks
Doff, Adrian, author
English Unlimited
Cambridge University Press, 2011
 Multimedia