Dyfyniad APA

Odum, H. T. (1996). Environmental accounting. New York: John Wileys & Sons.

Dyfyniad Arddull Chicago

Odum, Howard T. Environmental Accounting. New York: John Wileys & Sons, 1996.

Dyfyniad MLA

Odum, Howard T. Environmental Accounting. New York: John Wileys & Sons, 1996.

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