Cunningham, f. g., & PENDIT, B. (2012). Obstetri Williams 1. EGC.
Cita Chicago (17th ed.)Cunningham, f. gary, i Brahm.U PENDIT. Obstetri Williams 1. EGC, 2012.
Cita MLA (9th ed.)Cunningham, f. gary, i Brahm.U PENDIT. Obstetri Williams 1. EGC, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.