Morabia, A. (1996). From disease surveillance to the surveillance of risk factors.
Chicago Style aipamenaMorabia, A. From Disease Surveillance to the Surveillance of Risk Factors. 1996.
MLA aipamenaMorabia, A. From Disease Surveillance to the Surveillance of Risk Factors. 1996.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.