ELWOOD, J. M. (2000). Critical appraisal of epidemiological studies and clinical trials (Ed.2.). Oxford University Press.
Chicago-čujuhus (17. p.)ELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford: Oxford University Press, 2000.
MLA-čujuhus (9. p.)ELWOOD, J. Mark. Critical Appraisal of Epidemiological Studies and Clinical Trials. Ed.2. Oxford University Press, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.