APA
Berek J. S., Novak E., . (2007). Berek & Novak's gynecology. Philadelphia: Lippincott Williams & Wilkins.
Chicago
Berek Jonathan S, Novak Emil, . 2007. Berek & Novak's gynecology. Philadelphia: Lippincott Williams & Wilkins.
Harvard
Berek J. S., Novak E., . (2007). Berek & Novak's gynecology. Philadelphia: Lippincott Williams & Wilkins.
MLA
Berek Jonathan S, Novak Emil, . Berek & Novak's gynecology. Philadelphia: Lippincott Williams & Wilkins. 2007.