APA (7th ed.) Citation

Economic Research Unit Pty. (1974). Papua New Guinea: The economy, politics, trade, investment opportunities. The Unit.

Chicago Style (17th ed.) Citation

Economic Research Unit Pty. Papua New Guinea: The Economy, Politics, Trade, Investment Opportunities. [Melbourne]: The Unit, 1974.

MLA (9th ed.) Citation

Economic Research Unit Pty. Papua New Guinea: The Economy, Politics, Trade, Investment Opportunities. The Unit, 1974.