Dyfyniad APA
ebrary, Inc, Allenby, B. R., & Richards, D. J. (1994). The greening of industrial ecosystems. National Academy Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Braden R. Allenby, and Deanna J. Richards. The Greening of Industrial Ecosystems. Washington, D.C.: National Academy Press, 1994.
Dyfyniad MLA
ebrary, Inc, et al. The Greening of Industrial Ecosystems. National Academy Press, 1994.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.