International Planned Parenthood Federation. (1977). A survey of the legal status of contraception, sterilisation and abortion in European countries. IPPF.
Cita Chicago Style (17a ed.)International Planned Parenthood Federation. A Survey of the Legal Status of Contraception, Sterilisation and Abortion in European Countries. London: IPPF, 1977.
Cita MLA (9a ed.)International Planned Parenthood Federation. A Survey of the Legal Status of Contraception, Sterilisation and Abortion in European Countries. IPPF, 1977.
Precaución: Estas citas no son 100% exactas.