Rees, A. R., & Purcell, H. (1982). Disease and the environment. John Wiley and Sons.
Chicago Style aipamenaRees, A. R., and H.J Purcell. Disease and the Environment. John Wiley and Sons, 1982.
MLA aipamenaRees, A. R., and H.J Purcell. Disease and the Environment. John Wiley and Sons, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.