Cita APA (7th ed.)

Singh, S. (1974). Co-operatives in Papua New Guinea. New Guinea Research Unit, Australian National University.

Cita Chicago (17th ed.)

Singh, Sumer. Co-operatives in Papua New Guinea. Port Moresby: New Guinea Research Unit, Australian National University, 1974.

Cita MLA (8th ed.)

Singh, Sumer. Co-operatives in Papua New Guinea. New Guinea Research Unit, Australian National University, 1974.