APA
Fritz M. A., Speroff L., . (2011). Clinical gynecologic endocrinology and infertility. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.
Chicago
Fritz Marc A, Speroff Leon, . 2011. Clinical gynecologic endocrinology and infertility. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.
Harvard
Fritz M. A., Speroff L., . (2011). Clinical gynecologic endocrinology and infertility. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins.
MLA
Fritz Marc A, Speroff Leon, . Clinical gynecologic endocrinology and infertility. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins. 2011.