Dyfyniad APA

Bleam, W. F. (2012). Soil and environmental chemistry. Academic Press/Elsevier.

Dyfyniad Arddull Chicago

Bleam, William F. Soil and Environmental Chemistry. Oxford: Academic Press/Elsevier, 2012.

Dyfyniad MLA

Bleam, William F. Soil and Environmental Chemistry. Academic Press/Elsevier, 2012.

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