Ross, J. A. (1993). Findings from two decades of family planning research. The Population Council.
Chicago-Zitierstil (17. Ausg.)Ross, John A. Findings from Two Decades of Family Planning Research. New York: The Population Council, 1993.
MLA-Zitierstil (9. Ausg.)Ross, John A. Findings from Two Decades of Family Planning Research. The Population Council, 1993.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.