APA aipamena

(2012). WORLD clinics obstetrics and gynecology: Preterm labor. Jaypee Brothers Medical Publishers Inc.

Chicago Style aipamena

WORLD Clinics Obstetrics and Gynecology: Preterm Labor. Jaypee Brothers Medical Publishers Inc, 2012.

MLA aipamena

WORLD Clinics Obstetrics and Gynecology: Preterm Labor. Jaypee Brothers Medical Publishers Inc, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.