Moock, P. R., Musgrove, P., & Stelcner, M. (1990). Education and earnings in Peru's informal nonfarm family enterprises. World Bank.
Cita Chicago (17th ed.)Moock, Peter R., Philip Musgrove, i M. Stelcner. Education and Earnings in Peru's Informal Nonfarm Family Enterprises. Washington, D.C: World Bank, 1990.
Cita MLA (9th ed.)Moock, Peter R., et al. Education and Earnings in Peru's Informal Nonfarm Family Enterprises. World Bank, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.