Gaya APA

Dicker, R. (). Principle of Epidemiology Ed.2; An Introduction to Applied Epidemiology and Biostatistics . USA: US Departement o Health nd Human Services.

Gaya MLA

Dicker, Richard. "Principle of Epidemiology Ed.2; An Introduction to Applied Epidemiology and Biostatistics". USA: US Departement o Health nd Human Services, . Transparency.