Beckmann, C. R. B. (2015). Obstetricia y ginecología (7. ed.). Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago Style (17. basım) AtıfBeckmann, Charles R. B. Obstetricia Y Ginecología. 7. ed. Barcelona: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2015.
MLA (9th ed.) AtıfBeckmann, Charles R. B. Obstetricia Y Ginecología. 7. ed. Wolters Kluwer Health/Lippincott Williams & Wilkins, 2015.
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