Dyfyniad APA

(1985). Advances in soil science. Books & Periodicals Agency.

Dyfyniad Arddull Chicago

Advances in Soil Science. New Delhi, India: Books & Periodicals Agency, 1985.

Dyfyniad MLA

Advances in Soil Science. Books & Periodicals Agency, 1985.

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