APA Style

Silzer, P, J., Clouse, H, H. (1991). Index of Irian Jaya languages . Papua: Universitas Cenderawasih.

MLA Style

Silzer, Peter, J.., Clouse, Helja, Heikkinen. "Index of Irian Jaya languages". Papua: Universitas Cenderawasih, 1991. Text.