Dutta, D. C., & Konar, H. (1992). Text book of obstetrics: Including perinatology and contraception (3rd ed.). New Central Book Agency Ltd.
Chicago Style aipamenaDutta, D. C., and Hiralal Konar. Text Book of Obstetrics: Including Perinatology and Contraception. 3rd ed. Calcutta, India: New Central Book Agency Ltd, 1992.
MLA aipamenaDutta, D. C., and Hiralal Konar. Text Book of Obstetrics: Including Perinatology and Contraception. 3rd ed. New Central Book Agency Ltd, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.