Dutta, D. C., & Konar, H. (1992). Text book of obstetrics: Including perinatology and contraception (3rd ed.). New Central Book Agency Ltd.
Citazione stile Chigago Style (17a edizione)Dutta, D. C., e Hiralal Konar. Text Book of Obstetrics: Including Perinatology and Contraception. 3rd ed. Calcutta, India: New Central Book Agency Ltd, 1992.
Citatione MLA (8a ed.)Dutta, D. C., e Hiralal Konar. Text Book of Obstetrics: Including Perinatology and Contraception. 3rd ed. New Central Book Agency Ltd, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.