Dyfyniad APA

Wooley, D. R., & Morss, E. (2001). Clean air act handbook: A practical guide to compliance (11th ed.). West Group.

Dyfyniad Arddull Chicago

Wooley, David R., and Elizabeth Morss. Clean Air Act Handbook: A Practical Guide to Compliance. 11th ed. St Paul, Minn: West Group, 2001.

Dyfyniad MLA

Wooley, David R., and Elizabeth Morss. Clean Air Act Handbook: A Practical Guide to Compliance. 11th ed. West Group, 2001.

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