Merrill, R. M. (2013). Introduction to epidemiology (6th ed.). Jones & Bartlett Learning.
Lua i Stíl Chicago (17ú heag.)Merrill, Ray M. Introduction to Epidemiology. 6th ed. Burlington, Mass.: Jones & Bartlett Learning, 2013.
Lua MLA (8ú heag.)Merrill, Ray M. Introduction to Epidemiology. 6th ed. Jones & Bartlett Learning, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.