Katz, D. L., & Jekel, J. F. (2014). Jekel's epidemiology, biostatistics, preventive medicine, and public health (4th ed.). Saunders.
Chicago (17e ed.) BronvermeldingKatz, David L., en James F. Jekel. Jekel's Epidemiology, Biostatistics, Preventive Medicine, and Public Health. 4th ed. Philadelphia, Pa. ; London: Saunders, 2014.
MLA (8e ed.) BronvermeldingKatz, David L., en James F. Jekel. Jekel's Epidemiology, Biostatistics, Preventive Medicine, and Public Health. 4th ed. Saunders, 2014.
Let op: Deze citaties zijn niet altijd 100% accuraat.