(1995). Obstetrics and gynecology. Baltimore, Md: Lippincott Williams & Wilkins.
Dyfyniad Arddull ChicagoObstetrics and Gynecology. Baltimore, Md: Lippincott Williams & Wilkins, 1995.
Dyfyniad MLAObstetrics and Gynecology. Baltimore, Md: Lippincott Williams & Wilkins, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.