Cliff, A. D., & Cliff , A. D. .. . . . a. (1991). Spatial diffusion: An historical geography ofepidemics in an island community. Univ.Pr..
Cita Chicago (17th ed.)Cliff, A. D., i A. D. ....[et al] Cliff. Spatial Diffusion: An Historical Geography Ofepidemics in an Island Community. Cambridge: Univ.Pr., 1991.
Cita MLA (9th ed.)Cliff, A. D., i A. D. ....[et al] Cliff. Spatial Diffusion: An Historical Geography Ofepidemics in an Island Community. Univ.Pr., 1991.
Atenció: Aquestes cites poden no estar 100% correctes.