Dyfyniad APA

Buol, S. S., Southard, R. R., Graham, R. R., & McDaniel, P. P. (2003). Soil genesis and classification (fifth edition.).

Dyfyniad Arddull Chicago

Buol, S.W. Stanley, R.J. Randal Southard, R.C. Robert Graham, and P.A. Paul McDaniel. Soil Genesis and Classification. fifth edition. 2003.

Dyfyniad MLA

Buol, S.W. Stanley, et al. Soil Genesis and Classification. fifth edition. 2003.

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