Dyfyniad APA

Katz, E. E., & Light, A. E. (1996). Environmental pragmatism.

Dyfyniad Arddull Chicago

Katz, Eric; Ed, and Andrew; Ed Light. Environmental Pragmatism. London, Routledge, 1996.

Dyfyniad MLA

Katz, Eric; Ed, and Andrew; Ed Light. Environmental Pragmatism. 1996.

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