Friedman, G. D. (1986). Prinsip-prinsip epidemiologi. Yayasan Essentia Medica.
Chicago Style (17th ed.) CitationFriedman, Gary D. Prinsip-prinsip Epidemiologi. Yayasan Essentia Medica, 1986.
MLA (8th ed.) CitationFriedman, Gary D. Prinsip-prinsip Epidemiologi. Yayasan Essentia Medica, 1986.
Warning: These citations may not always be 100% accurate.