APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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