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 World's major languages
edited by Bernard Comrie
Oxford University Press, 1987
 Buku Teks SO
The Uralic languages
edited by Daniel Abondolo
Routledge, 1998
 Buku Teks SO
Katzner, Kenneth
The languages of the world
Routledge, 1995
 Buku Referensi
The Slavonic languages
edited by Bernard Comrie and Greville G. Corbett
Routledge, 1993
 Buku Teks SO