Friis, R. H., & Sellers, T. A. (2009). Epidemiology for public health practice (4th ed.). Jones and Bartlett Publishers.
Čikaški stil citiranja (17. izdanje)Friis, Robert H., i Thomas A. Sellers. Epidemiology for Public Health Practice. 4th ed. Sudbury, Mass.: Jones and Bartlett Publishers, 2009.
MLA način citiranja (8. izdanje)Friis, Robert H., i Thomas A. Sellers. Epidemiology for Public Health Practice. 4th ed. Jones and Bartlett Publishers, 2009.
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