APA Style

Siswanto, ., Friedman, G, D. (1993). Prinsip-prinsip Epidemiologi . Jakarta: Yayasan Essentia Medica.

MLA Style

Siswanto, ., Friedman, Gary, D.. "Prinsip-prinsip Epidemiologi". Jakarta: Yayasan Essentia Medica, 1993. print.