Hatcher A., R. (1997). The Essentials of Contraceptive Technology; A Handbook for Clinic Staff.
Čikaški stil citiranja (17. izdanje)Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. 1997.
MLA način citiranja (9. izdanje)Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. 1997.
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