International Population Conference (1981 : Manila, Philippines), & International Union for the Scientific Study of Population. (1981). International Population Conference, Manila, 1981: Congres international de la population : communication sollicitees. International Union for the Scientific Study of Population.
Style de citation Chicago (17e éd.)International Population Conference (1981 : Manila, Philippines), et International Union for the Scientific Study of Population. International Population Conference, Manila, 1981: Congres International De La Population : Communication Sollicitees. Liege: International Union for the Scientific Study of Population, 1981.
Style de citation MLA (9e éd.)International Population Conference (1981 : Manila, Philippines), et International Union for the Scientific Study of Population. International Population Conference, Manila, 1981: Congres International De La Population : Communication Sollicitees. International Union for the Scientific Study of Population, 1981.