(2012). WORLD clinics obstetrics and gynecology: Preterm labor. Jaypee Brothers Medical Publishers Inc.
Čikaški stil citiranja (17. izdanje)WORLD Clinics Obstetrics and Gynecology: Preterm Labor. Jaypee Brothers Medical Publishers Inc, 2012.
MLA način citiranja (9. izdanje)WORLD Clinics Obstetrics and Gynecology: Preterm Labor. Jaypee Brothers Medical Publishers Inc, 2012.
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