Gilbert, A., & Gugler, J. (1994). Cities, poverty, and development: Urbanization in the third world (2nd.ed.). Oxford Univ. Press.

Gilbert, Alan,1944-, and Josef Gugler. Cities, Poverty, and Development: Urbanization in the Third World. 2nd.ed. Oxford: Oxford Univ. Press, 1994.

Gilbert, Alan,1944-, and Josef Gugler. Cities, Poverty, and Development: Urbanization in the Third World. 2nd.ed. Oxford Univ. Press, 1994.