Dyfyniad APA

(1994). Soil processes and water quality. Baca Raton, U.S.A: Lewis Publishers.

Dyfyniad Arddull Chicago

Soil Processes and Water Quality. Baca Raton, U.S.A: Lewis Publishers, 1994.

Dyfyniad MLA

Soil Processes and Water Quality. Baca Raton, U.S.A: Lewis Publishers, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.