Hatcher A., R. (1997). The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Population Information Program.
Chicago-čujuhus (17. p.)Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Baltimore: Population Information Program, 1997.
MLA-čujuhus (9. p.)Hatcher A., Robert. The Essentials of Contraceptive Technology; A Handbook for Clinic Staff. Population Information Program, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.