Gaya APA

Pernoll, M, L. (2001). Benson & pernoll's handbook of obstetric & gynecology.Tenth edition (Ed.10). Boston, Burr Ridge, IL Dubuque: McGraw-Hill.

Gaya MLA

Pernoll, Martin, L.. "Benson & pernoll's handbook of obstetric & gynecology.Tenth edition". Ed.10 Boston, Burr Ridge, IL Dubuque: McGraw-Hill, 2001. Text.