Não informado. (1974). Clinics in Obstetrics and Gynaecology. W.B. Saunders.
Chicagoスタイル(17版)引用形式Não informado. Clinics in Obstetrics and Gynaecology. Philadelphia, Pa: W.B. Saunders, 1974.
MLA(8版)引用形式Não informado. Clinics in Obstetrics and Gynaecology. W.B. Saunders, 1974.
警告: この引用は必ずしも正確ではありません.