Cita APA

Psacharopoulos, G., & Patrinos, H. A. (2002). Returns to investment in education: A further update. Washington, DC: The World Bank.

Citación estilo Chicago

Psacharopoulos, George, y Harry Anthony Patrinos. Returns to Investment in Education: A Further Update. Washington, DC: The World Bank, 2002.

Cita MLA

Psacharopoulos, George, y Harry Anthony Patrinos. Returns to Investment in Education: A Further Update. Washington, DC: The World Bank, 2002.