(1972). Economic aspects of population change. Government printing office.
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Chicago-čujuhus (17. p.)
Economic Aspects of Population Change. Washington: Government printing office, 1972.
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MLA-čujuhus (9. p.)
Economic Aspects of Population Change. Government printing office, 1972.
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Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.