United States. Food and Drug Administration & Advisory Committee on Obstetrics and Gynecology. (1968). Report on intrauterine contraceptive devices. [s.n.
Παραπομπή σε μορφή Chicago (17η εκδ.)United States. Food and Drug Administration και Advisory Committee on Obstetrics and Gynecology. Report on Intrauterine Contraceptive Devices. Washington: [s.n, 1968.
Παραπομπή σε μορφή MLA (9th εκδ.)United States. Food and Drug Administration και Advisory Committee on Obstetrics and Gynecology. Report on Intrauterine Contraceptive Devices. [s.n, 1968.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.