(1985). A Classified bibliography of controlled trials in perinatal medicine, 1940-84 / prepared by National Perinatal Epidemiology Unit, University of Oxford.
芝加哥风格引文A Classified Bibliography of Controlled Trials in Perinatal Medicine, 1940-84 / Prepared by National Perinatal Epidemiology Unit, University of Oxford. 1985.
MLA引文A Classified Bibliography of Controlled Trials in Perinatal Medicine, 1940-84 / Prepared by National Perinatal Epidemiology Unit, University of Oxford. 1985.
警告：这些引文格式不一定是100％准确.