Dyfyniad APA

Brady, N. C. (2014). The Nature and Properties of Soils (14 ed.). pearson.

Dyfyniad Arddull Chicago

Brady, Nyle C. The Nature and Properties of Soils. 14 ed. Nodia: pearson, 2014.

Dyfyniad MLA

Brady, Nyle C. The Nature and Properties of Soils. 14 ed. pearson, 2014.

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