Berek, J. (2013). Berek y Novak Ginecologia (15. ed.). Wolters Kluwer.
Chicago Style (17th ed.) CitationBerek, Jonathan. Berek Y Novak Ginecologia. 15. ed. Philapelphia: Wolters Kluwer, 2013.
MLA (9th ed.) CitationBerek, Jonathan. Berek Y Novak Ginecologia. 15. ed. Wolters Kluwer, 2013.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.