Ovid Technologies, Inc, Pfeifer, S. M., & García Roig, F. (2009). NMS obstetricia y ginecología (6. ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago Style (17. basım) AtıfOvid Technologies, Inc, Samantha M. Pfeifer, ve Félix García Roig. NMS Obstetricia Y Ginecología. 6. ed. Barcelona: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.
MLA (9th ed.) AtıfOvid Technologies, Inc, et al. NMS Obstetricia Y Ginecología. 6. ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.
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