Burrow, T.
A Dravidian etymological dictionary
Clarendon Press, 1961
 Buku Referensi
Atlas of the languages of Suriname / Edited by Eithne B. Carlin and Jacques Arends
KITLV, 2002
 Buku Referensi
The Uralic languages / edited by Daniel Abondolo
Routledge, 1998
 Buku Teks
Schapper, Antoinette
Neuter gender in the languages of aru
Faculty of Humanities University of Indonesia, 2015
 Artikel Jurnal
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