Dyfyniad APA

Velde, B. (1985). Clay minerals: :A physico-chemical explanation of their occurrence. Amsterdam Elsevier.

Dyfyniad Arddull Chicago

Velde, B. Clay Minerals: :A Physico-chemical Explanation of Their Occurrence. New york: Amsterdam Elsevier, 1985.

Dyfyniad MLA

Velde, B. Clay Minerals: :A Physico-chemical Explanation of Their Occurrence. Amsterdam Elsevier, 1985.

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