Gaya APA
Barr, D, F., Barr, S, G. (1978).
Index of irian jaya languages: pre-publication draft .
Irian Jaya:
Summer Institute of Linguistics.
Gaya MLA
Barr, Donald, F.., Barr, Sharon, G..
"Index of irian jaya languages: pre-publication draft".
Irian Jaya:
Summer Institute of Linguistics,
1978.
Text.