Kleinbaum,David G. Kupper, L. L. M. (1982). Epidemiologic research: Pricnciples and quantitive methods. Van Nostrand Reinhold.
Lua i Stíl Chicago (17ú heag.)Kleinbaum,David G. Kupper, Lawrence L. Morgenstern,Hal. Epidemiologic Research: Pricnciples and Quantitive Methods. New York: Van Nostrand Reinhold, 1982.
Lua MLA (8ú heag.)Kleinbaum,David G. Kupper, Lawrence L. Morgenstern,Hal. Epidemiologic Research: Pricnciples and Quantitive Methods. Van Nostrand Reinhold, 1982.
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