Conferència Internacional de Població. (1967). Proceedings of the World Population Conference. Vol. 4, selected papers and summaries migration urbanization economic development. United Nations. DDepartment of Economic alnd Social Affairs.
Cita Chicago Style (17a ed.)Conferència Internacional de Població. Proceedings of the World Population Conference. Vol. 4, Selected Papers and Summaries Migration Urbanization Economic Development. New York: United Nations. DDepartment of Economic alnd Social Affairs, 1967.
Cita MLA (9a ed.)Conferència Internacional de Població. Proceedings of the World Population Conference. Vol. 4, Selected Papers and Summaries Migration Urbanization Economic Development. United Nations. DDepartment of Economic alnd Social Affairs, 1967.
