Dyfyniad APA
Berry, J. F., & Dennison, M. S. (2000). The environmental law and compliance handbook. McGraw-Hill.
Dyfyniad Arddull Chicago
Berry, James F., and Mark S. Dennison. The Environmental Law and Compliance Handbook. New York: McGraw-Hill, 2000.
Dyfyniad MLA
Berry, James F., and Mark S. Dennison. The Environmental Law and Compliance Handbook. McGraw-Hill, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.