APA (7th ed.) Citation

Economic Research Unit Pty. (1977). Papua New Guinea: Politics, the economy, trade, investment opportunities. The Unit.

Chicago Style (17th ed.) Citation

Economic Research Unit Pty. Papua New Guinea: Politics, the Economy, Trade, Investment Opportunities. Middle Park, Vic.: The Unit, 1977.

MLA (9th ed.) Citation

Economic Research Unit Pty. Papua New Guinea: Politics, the Economy, Trade, Investment Opportunities. The Unit, 1977.