Winford, Donald
An Introduction to contact linguistics
Blackwell, 2003
 Buku Teks
Schapper, Antoinette
Neuter gender in the languages of aru
Faculty of Humanities University of Indonesia, 2015
 Artikel Jurnal
Appel, René
Language contact and bilingualism
Amsterdam Academic Archive, 2005
 Buku Teks SO
Sellato, Bernard
The languages and peoples of the müller mountains a contribution to the study of the origins of borneo's nomads and their languages
Faculty of Humanities University of Indonesia, 2015
 Artikel Jurnal
The handbook of language contact
edited by Raymond Hickey
Wiley-Blackwell, 2010
 Buku Teks SO