Baldwin, G. B. (1978). Papua New Guinea: Its economic Situation and prospects for development. World Bank.
استشهاد بنمط شيكاغوBaldwin, George B. Papua New Guinea: Its Economic Situation and Prospects for Development. Washington: World Bank, 1978.
MLA استشهادBaldwin, George B. Papua New Guinea: Its Economic Situation and Prospects for Development. World Bank, 1978.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.