Kelsey, J. L. (1996). Methods in observational epidemiology (2nd ed.). Oxford University Press.
芝加哥风格引文Kelsey, Jennifer L. Methods in Observational Epidemiology. 2nd ed. New York: Oxford University Press, 1996.
MLA引文Kelsey, Jennifer L. Methods in Observational Epidemiology. 2nd ed. Oxford University Press, 1996.
警告：这些引文格式不一定是100％准确.