Kutcher, G. P. (1981). The Agricultural Economy of Northeast Brazil. The Johns Hopkins U. Pr..
Tohutoru Kātū Chicago (17th ed.)Kutcher, Gary P. The Agricultural Economy of Northeast Brazil. London: The Johns Hopkins U. Pr., 1981.
Tohutoro MLA (9th ed.)Kutcher, Gary P. The Agricultural Economy of Northeast Brazil. The Johns Hopkins U. Pr., 1981.
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