Dyfyniad APA

(1988). Selected papers of the Dakar Symposium on Acid Sulphate Soils, Dakar, Senegal, January, 1986: Vol.44. Netherlands: ILRI.

Dyfyniad Arddull Chicago

Selected Papers of the Dakar Symposium On Acid Sulphate Soils, Dakar, Senegal, January, 1986: Vol.44. Netherlands: ILRI, 1988.

Dyfyniad MLA

Selected Papers of the Dakar Symposium On Acid Sulphate Soils, Dakar, Senegal, January, 1986: Vol.44. Netherlands: ILRI, 1988.

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