APA (7e ed.) Bronvermelding

Ren, R., & Chen, K. (1995). An expenditure-based bilateral comparison of gross domestic product between China and the United States. World Bank.

Chicago (17e ed.) Bronvermelding

Ren, Ruo'en, en Kai Chen. An Expenditure-based Bilateral Comparison of Gross Domestic Product Between China and the United States. Washington, DC: World Bank, 1995.

MLA (9e ed.) Bronvermelding

Ren, Ruo'en, en Kai Chen. An Expenditure-based Bilateral Comparison of Gross Domestic Product Between China and the United States. World Bank, 1995.