Gilder, G., & Boysen, H. (1981). Reichtum und Armut: Wealth and poverty. Severin u. Siedler.
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Tohutoru Kātū Chicago (17th ed.)
Gilder, George, me H. Boysen. Reichtum Und Armut: Wealth and Poverty. Berlin: Severin u. Siedler, 1981.
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Tohutoro MLA (9th ed.)
Gilder, George, me H. Boysen. Reichtum Und Armut: Wealth and Poverty. Severin u. Siedler, 1981.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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