Lloyd, C. B., & Ross, J. A. (1989). Methods for measuring the fertility impact of family planning programs: The experience of the last decade. Population Council.
Chicago (17e ed.) BronvermeldingLloyd, Cynthia B., en John A. Ross. Methods for Measuring the Fertility Impact of Family Planning Programs: The Experience of the Last Decade. New York: Population Council, 1989.
MLA (9e ed.) BronvermeldingLloyd, Cynthia B., en John A. Ross. Methods for Measuring the Fertility Impact of Family Planning Programs: The Experience of the Last Decade. Population Council, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.