Ross, J. A. (1988). Family planning and child survival: 100 developing countries. Center for Population and Family Health, Columbia University.
Lua i Stíl Chicago (17ú heag.)Ross, John A. Family Planning and Child Survival: 100 Developing Countries. New York: Center for Population and Family Health, Columbia University, 1988.
Lua MLA (9ú heag.)Ross, John A. Family Planning and Child Survival: 100 Developing Countries. Center for Population and Family Health, Columbia University, 1988.