Gaya APA

Fritz, M, A., Speroff, L. (2011). Speroff's Clinical Gynecologic Endocrinology and Infertility (Eighth Edition). Philadelphia: Lippincott Williams & Wilkins.

Gaya MLA

Fritz, Marc, A.., Speroff, Leon. "Speroff's Clinical Gynecologic Endocrinology and Infertility". Eighth Edition Philadelphia: Lippincott Williams & Wilkins, 2011. Teks.