Conferència Internacional de Població. (1967). Proceedings of the World Population Conference. Vol. 3, Selected papers and summaries projections measurement of population trends. United Nations. Department of Economic and Social Affairs.
Cita Chicago Style (17a ed.)Conferència Internacional de Població. Proceedings of the World Population Conference. Vol. 3, Selected Papers and Summaries Projections Measurement of Population Trends. New York: United Nations. Department of Economic and Social Affairs, 1967.
Cita MLA (9a ed.)Conferència Internacional de Població. Proceedings of the World Population Conference. Vol. 3, Selected Papers and Summaries Projections Measurement of Population Trends. United Nations. Department of Economic and Social Affairs, 1967.
