ebrary, Inc, Benke, A. C., & Cushing, C. E. (2005). Rivers of North America. Elsevier/Academic Press.
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Dyfyniad Arddull Chicago
ebrary, Inc, Arthur C. Benke, and C. E. Cushing. Rivers of North America. Amsterdam ; Boston: Elsevier/Academic Press, 2005.
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Dyfyniad MLA
ebrary, Inc, et al. Rivers of North America. Elsevier/Academic Press, 2005.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.