Australian International Development Assistance Bureau. (1990). Papua New Guinea: Economic situation and outlook. Australian Government Publishing Service.
Chicago-viite (17. p.)Australian International Development Assistance Bureau. Papua New Guinea: Economic Situation and Outlook. Canberra: Australian Government Publishing Service, 1990.
MLA-viite (9. p.)Australian International Development Assistance Bureau. Papua New Guinea: Economic Situation and Outlook. Australian Government Publishing Service, 1990.
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