1. Baumol, W.J., and A. S. Blinder. 1991.Microeconomics: Principles and Policy. New York: Harcourt Brace Jovanovich.
2. Brindis, C.D., and C.C. Korenbrot. 1989.A Study of the Cost Implications Resulting from the Elimination of the California Office of Family Planning. Institute for Health Policy Studies, Center for Population and Reproductive Health Policy. University of California, San Francisco.
3. Cartoof, V.G., and L.V. Klerman. 1986. “Parental Consent for Abortion: Impact of the Massachusetts Law.”American Journal of Public Health (April):397–400. The authors counted abortions both in and out of state in arriving at their figures.
4. Contract No. 515-0168.02. 1988. “Family Planning Self Reliance/Human Reproduction.” Signed May 27, by Dr. Edgar Mohs Villalta, Ministro de Salud, and Dr. Guido Miranda Gutierrez, Presidente Ejecutivo, CCSS for Costa Rica, and Carl H. Leonard, Director, U.S. Agency for International Development.
5. Daly, D., and R.B. Gold. 1993. “Public Funding for Contraceptive, Sterilization, and Abortion Services, Fiscal Year 1992.”Family Planning Perspectives (November/December): 244–51.