Pugh, C. D. J. (1996). Sustainability, the environment and urbanization. Earthscan.
Citación estilo ChicagoPugh, Cedric D. J. Sustainability, the Environment and Urbanization. London: Earthscan, 1996.
Cita MLAPugh, Cedric D. J. Sustainability, the Environment and Urbanization. Earthscan, 1996.
Warning: These citations may not always be 100% accurate.