Cita APA (7th ed.)
ebrary, Inc, & Norwitz, E. R. (2007). Oxford American handbook of obstetrics and gynecology. Oxford University Press.
Cita Chicago (17th ed.)
ebrary, Inc, i Errol R. Norwitz. Oxford American Handbook of Obstetrics and Gynecology. Oxford ; New York: Oxford University Press, 2007.
Cita MLA (9th ed.)
ebrary, Inc, i Errol R. Norwitz. Oxford American Handbook of Obstetrics and Gynecology. Oxford University Press, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.