APA aipamena

Ross, J. A. (1988). Family planning and child survival: 100 developing countries. Center for Population and Family Health, Columbia University.

Chicago Style aipamena

Ross, John A. Family Planning and Child Survival: 100 Developing Countries. New York: Center for Population and Family Health, Columbia University, 1988.

MLA aipamena

Ross, John A. Family Planning and Child Survival: 100 Developing Countries. Center for Population and Family Health, Columbia University, 1988.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.