Gabbe, S. G. (2012). Obstetrics: Normal and problem pregnancies (6th ed.). Philadelphia: Elsevier/Saunders.
Chicago ZitierstilGabbe, Steven G. Obstetrics: Normal and Problem Pregnancies. 6th ed. Philadelphia: Elsevier/Saunders, 2012.
MLA ZitierstilGabbe, Steven G. Obstetrics: Normal and Problem Pregnancies. 6th ed. Philadelphia: Elsevier/Saunders, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.