Dicker, R. C., Coronado, F., & Koo, D. (2012). Principles of Epidemiology in Public Health Practice: An Introduction to Applied Epidemiology and Biostatistics (3rd ed.). U.S. Department of Health and Human Services, Centers for Disease Control and Prevention.
Cita Chicago (17th ed.)Dicker, Richard C., Fatima Coronado, i Denise Koo. Principles of Epidemiology in Public Health Practice: An Introduction to Applied Epidemiology and Biostatistics. 3rd ed. Atlanta, Georgia: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, 2012.
Cita MLA (9th ed.)Dicker, Richard C., et al. Principles of Epidemiology in Public Health Practice: An Introduction to Applied Epidemiology and Biostatistics. 3rd ed. U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, 2012.