International Population Conference & International Union for the Scientific Study of Population. (1981). International population conference, Manila 1981: Solicited papers = Congrès international de la population, Manila 1981 : communications sollicitées. IUSSP.
Cita Chicago Style (17a ed.)International Population Conference y International Union for the Scientific Study of Population. International Population Conference, Manila 1981: Solicited Papers = Congrès International De La Population, Manila 1981 : Communications Sollicitées. Liège: IUSSP, 1981.
Cita MLA (9a ed.)International Population Conference y International Union for the Scientific Study of Population. International Population Conference, Manila 1981: Solicited Papers = Congrès International De La Population, Manila 1981 : Communications Sollicitées. IUSSP, 1981.
