Dyfyniad APA

Goldman, M. I. (1967). Controlling pollution: The economics of a cleaner America. Prentice-Hall.

Dyfyniad Arddull Chicago

Goldman, Marshall I. Controlling Pollution: The Economics of a Cleaner America. Englewood Cliffs, N. J.: Prentice-Hall, 1967.

Dyfyniad MLA

Goldman, Marshall I. Controlling Pollution: The Economics of a Cleaner America. Prentice-Hall, 1967.

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