(1972). Economic aspects of population change. Government printing office.
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Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Economic Aspects of Population Change. Washington: Government printing office, 1972.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Economic Aspects of Population Change. Government printing office, 1972.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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