Tiwari, S. (1985). Gross national product 9GNP) measurement issues in South Pacific developing member countries of ADB. Economics Office, Asian Development Bank.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tiwari, S.G. Gross National Product 9GNP) Measurement Issues in South Pacific Developing Member Countries of ADB. Manila: Economics Office, Asian Development Bank, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Tiwari, S.G. Gross National Product 9GNP) Measurement Issues in South Pacific Developing Member Countries of ADB. Economics Office, Asian Development Bank, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.