Gaag, J. v. d. (1995). Private and public initiatives: Working together for health and education. World Bank.
Cita Chicago (17th ed.)Gaag, J. van der. Private and Public Initiatives: Working Together for Health and Education. Washington, D.C.: World Bank, 1995.
Cita MLA (8th ed.)Gaag, J. van der. Private and Public Initiatives: Working Together for Health and Education. World Bank, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.