APA-referens (7:e uppl.)

Friis, R. H., & Sellers, T. A. (2014). Epidemiology for public health practice (5th ed.). Jones & Bartlett Learning.

Chicago-referens (17:e uppl.)

Friis, Robert H., och Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Burlington, Mass.: Jones & Bartlett Learning, 2014.

MLA-referens (8:e uppl.)

Friis, Robert H., och Thomas A. Sellers. Epidemiology for Public Health Practice. 5th ed. Jones & Bartlett Learning, 2014.