Gaag, J. v. d. (1995). Private and public initiatives: Working together for health and education. World Bank.
Chicago-referens (17:e uppl.)Gaag, J. van der. Private and Public Initiatives: Working Together for Health and Education. Washington, D.C.: World Bank, 1995.
MLA-referens (8:e uppl.)Gaag, J. van der. Private and Public Initiatives: Working Together for Health and Education. World Bank, 1995.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.