Dyfyniad APA

Henry D.Foth. (1970). A Study Of Soil Science. Maryland,USA: Lamatte Chemical.

Dyfyniad Arddull Chicago

Henry D.Foth. A Study Of Soil Science. Maryland,USA: Lamatte Chemical, 1970.

Dyfyniad MLA

Henry D.Foth. A Study Of Soil Science. Maryland,USA: Lamatte Chemical, 1970.

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