Winford, Donald
An Introduction to contact linguistics / Donald Winford
Blackwell Publishing, 2003
 Buku Teks
Appel, René
Language contact and bilingualism
Amsterdam Academic Archive, 2005
 Buku Teks
The handbook of language contact
Raymond Hickey, editor
Wiley-Blackwell, 2010
 Buku Teks
Drinka, Bridget, 1951-.
Language contact in Europe : the periphrastic perfect through history
Cambridge University Press, 2017
 Buku Teks
Schapper, Antoinette
Neuter gender in the languages of aru
Faculty of Humanities University of Indonesia, 2015
 Artikel Jurnal