Rees, A. R., & Purcell, H. (1982). Disease and the environment. John Wiley and Sons.
Cita Chicago (17th ed.)Rees, A. R., i H.J Purcell. Disease and the Environment. John Wiley and Sons, 1982.
Cita MLA (9th ed.)Rees, A. R., i H.J Purcell. Disease and the Environment. John Wiley and Sons, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.