(1971). International population conference: Congress international de la population. International union for the scientific study of the population.
Chicago-čujuhus (17. p.)International Population Conference: Congress International De La Population. Liege: International union for the scientific study of the population, 1971.
MLA-čujuhus (9. p.)International Population Conference: Congress International De La Population. International union for the scientific study of the population, 1971.
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