(1971). International population conference: Congress international de la population. International union for the scientific study of the population.
Tohutoru Kātū Chicago (17th ed.)International Population Conference: Congress International De La Population. Liege: International union for the scientific study of the population, 1971.
Tohutoro MLA (9th ed.)International Population Conference: Congress International De La Population. International union for the scientific study of the population, 1971.
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