Dyfyniad APA

FitzPatrick, E. A. (1986). An introduction to soil science (ed. 2.). Longman Scientific & Technical ; Wiley.

Dyfyniad Arddull Chicago

FitzPatrick, Ewart Adsil. An Introduction to Soil Science. ed. 2. Essex, England : New York, N.Y.: Longman Scientific & Technical ; Wiley, 1986.

Dyfyniad MLA

FitzPatrick, Ewart Adsil. An Introduction to Soil Science. ed. 2. Longman Scientific & Technical ; Wiley, 1986.

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