Gaya APA

Khafid, I., Haantjens, H. (1972). Lands of the Aitape Ambunti area Papua New Guinea . [s.l]: Common Wealth Scientific and Industrial Research Organization.

Gaya MLA

Khafid, Ing., Haantjens, H.A.. "Lands of the Aitape Ambunti area Papua New Guinea". [s.l]: Common Wealth Scientific and Industrial Research Organization, 1972. Text.