Dyfyniad APA

Greenway, A. R. (2000). Environmental permitting handbook. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Greenway, A. Roger. Environmental Permitting Handbook. New York: McGraw-Hill, 2000.

Dyfyniad MLA

Greenway, A. Roger. Environmental Permitting Handbook. New York: McGraw-Hill, 2000.

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