Dyfyniad APA

Cooper, A. R. (1996). Cooper's comprehensive environmental desk reference. Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Cooper, André R. Cooper's Comprehensive Environmental Desk Reference. New York: Van Nostrand Reinhold, 1996.

Dyfyniad MLA

Cooper, André R. Cooper's Comprehensive Environmental Desk Reference. Van Nostrand Reinhold, 1996.

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