Olsen, J. M. (1991). Searching for causes of work related diseases: An introduction to epidemiology at the work site. Oxford Mecial Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रOlsen, Jorn Merletti. Searching for Causes of Work Related Diseases: An Introduction to Epidemiology at the Work Site. New York: Oxford Mecial Publications, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रOlsen, Jorn Merletti. Searching for Causes of Work Related Diseases: An Introduction to Epidemiology at the Work Site. Oxford Mecial Publications, 1991.
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