Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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