Heller, L. (1981). Emergencies in ginecology and obstretrics. Year Book Medical.
Čikaški stil citiranja (17. izdanje)Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.
MLA način citiranja (9. izdanje)Heller, Luz. Emergencies in Ginecology and Obstretrics. Year Book Medical, 1981.
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