Citações do registo
Citação norma APA
Clark William Bullock, Whitney Milton, Bonsteel J. A., & Burke B. T. A. (1902). Map of Calvert county showing the Agricultural soils. U. S. Bureau of Soils.
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Citação norma Chicago
Clark William Bullock, Whitney Milton, Bonsteel J. A., and Burke B. T. A. Map of Calvert County Showing the Agricultural Soils. U. S. Bureau of Soils, 1902.
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Citação norma MLA
Clark William Bullock, et al. Map of Calvert County Showing the Agricultural Soils. U. S. Bureau of Soils, 1902.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.