Ren, R., & Chen, K. (1995). An expenditure-based bilateral comparison of gross domestic product between China and the United States. World Bank.
Chicago-referens (17:e uppl.)Ren, Ruo'en, och Kai Chen. An Expenditure-based Bilateral Comparison of Gross Domestic Product Between China and the United States. Washington, DC: World Bank, 1995.
MLA-referens (9:e uppl.)Ren, Ruo'en, och Kai Chen. An Expenditure-based Bilateral Comparison of Gross Domestic Product Between China and the United States. World Bank, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.