Urquidi, V. L. (1971) «Man’s impact on the global environment : assessment and recommendations for action. Report of the Study of Critical Environment Problems (SCEP). Massachussetts : The MIT Press, 1970. xii-319 p»., Foro Internacional, 12(2), pp. 270–271. Disponible en: https://forointernacional.colmex.mx/index.php/fi/article/view/512 (Accedido: 21 noviembre 2024).