Duncan, G. W. (1972). Female sterilization: Prognosis for simplified out-patient procedures. Academic Press.
Dyfyniad Arddull ChicagoDuncan, Gordon W. Female Sterilization: Prognosis for Simplified Out-patient Procedures. New York: Academic Press, 1972.
Dyfyniad MLADuncan, Gordon W. Female Sterilization: Prognosis for Simplified Out-patient Procedures. Academic Press, 1972.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.