Dyfyniad APA

Allen, H. E., & ...[et al.]. (1995). Metal speciation and contamination of soil. Lewis Publishers.

Dyfyniad Arddull Chicago

Allen, Herbert E., and ...[et al.]. Metal Speciation and Contamination of Soil. Boca Raton: Lewis Publishers, 1995.

Dyfyniad MLA

Allen, Herbert E., and ...[et al.]. Metal Speciation and Contamination of Soil. Lewis Publishers, 1995.

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