ELWOOD, J. M. (2000). Critical appraisal of epidemiological studies and clinical trials (Ed.2.). Oxford University Press.
芝加哥风格引文ELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford: Oxford University Press, 2000.
MLA引文ELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford University Press, 2000.
警告：这些引文格式不一定是100％准确.