Dyfyniad APA

Hartge, K., & Stewart, B. (2014). Soil Structure: Its Development and Function (1.). CRC Press.

Dyfyniad Arddull Chicago

Hartge, K.H, and B.A Stewart. Soil Structure: Its Development and Function. 1. India: CRC Press, 2014.

Dyfyniad MLA

Hartge, K.H, and B.A Stewart. Soil Structure: Its Development and Function. 1. CRC Press, 2014.

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