Dyfyniad APA

King, J. J. (1995). Environmental Dictionary and Regulatory Cross Reference (3rd ed.). Wiley Interscience.

Dyfyniad Arddull Chicago

King, J James. Environmental Dictionary and Regulatory Cross Reference. 3rd ed. New York: Wiley Interscience, 1995.

Dyfyniad MLA

King, J James. Environmental Dictionary and Regulatory Cross Reference. 3rd ed. Wiley Interscience, 1995.

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