Lauder, Allan
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 dan Budaya Universitas Indonesia], 2008
 Artikel Jurnal
Mair, Christian
Twentieth-century english : history, variation, and standardization
Cambridge University Press, 2006
 Buku Teks
Blundell, Jon
Function in English
Oxford University Press, 1982
 Buku Teks
Tomasowa, Francien Herlen
English for non-english departements
Universitas Brawijaya , 2005
 Buku Teks
Scobie, Janet I.
English for the certificate
George Allen and Unwin, 1959
 Buku Teks