Webb, P., Bain, C., & Pirozzo, S. Essential epidemiology: An introduction for students and health professionals.
Citazione stile Chigago Style (17a edizione)Webb, Penny, Chris Bain, e Sandi Pirozzo. Essential Epidemiology: An Introduction for Students and Health Professionals.
Citatione MLA (9a ed.)Webb, Penny, et al. Essential Epidemiology: An Introduction for Students and Health Professionals.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.