APA Style

Barr, S, G., Barr, D, F. (1979). Languages of Central Sulawesi: checklist, preliminary classification, language maps, wordlists . Jayapura: Universitas Cenderawasih.

MLA Style

Barr, Sharon, G.., Barr, Donald, F. "Languages of Central Sulawesi: checklist, preliminary classification, language maps, wordlists". Jayapura: Universitas Cenderawasih, 1979. Text.