APA aipamena

East Sepik Province (Papua New Guinea). (1981). Guide to natural resources negotiations. East Sepik Province Government.

Chicago Style aipamena

East Sepik Province (Papua New Guinea). Guide to Natural Resources Negotiations. [Wewak: East Sepik Province Government, 1981.

MLA aipamena

East Sepik Province (Papua New Guinea). Guide to Natural Resources Negotiations. East Sepik Province Government, 1981.