APA (7th ed.) Zitazioa

(2012). Papua New Guinea: Critical development constraints. Asian Development Bank.

Chicago Style (17th ed.) Zitazioa

Papua New Guinea: Critical Development Constraints. Mandaluyong City, Metro Manila, Philipiines: Asian Development Bank, 2012.

MLA (9th ed.) Zitazioa

Papua New Guinea: Critical Development Constraints. Asian Development Bank, 2012.