World Association of Perinatal Medicine. (1973). Journal of Perinatal Medicine. Walter de Gruyter.
Čikaški stil citiranja (17. izdanje)World Association of Perinatal Medicine. Journal of Perinatal Medicine. Berlin: Walter de Gruyter, 1973.
MLA način citiranja (8. izdanje)World Association of Perinatal Medicine. Journal of Perinatal Medicine. Walter de Gruyter, 1973.
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