Kleinbaum,David G. Kupper, L. L. M. (1982). Epidemiologic research: Pricnciples and quantitive methods. Van Nostrand Reinhold.
Cita Chicago (17th ed.)Kleinbaum,David G. Kupper, Lawrence L. Morgenstern,Hal. Epidemiologic Research: Pricnciples and Quantitive Methods. New York: Van Nostrand Reinhold, 1982.
Cita MLA (8th ed.)Kleinbaum,David G. Kupper, Lawrence L. Morgenstern,Hal. Epidemiologic Research: Pricnciples and Quantitive Methods. Van Nostrand Reinhold, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.