Dyfyniad APA

Steinitz, C. (2003). Alternative futures for changing landscapes: The upper San Pedro river basin in Arizona and Sonora. Washington, DC: Island Press.

Dyfyniad Arddull Chicago

Steinitz, Carl. Alternative Futures for Changing Landscapes: The Upper San Pedro River Basin in Arizona and Sonora. Washington, DC: Island Press, 2003.

Dyfyniad MLA

Steinitz, Carl. Alternative Futures for Changing Landscapes: The Upper San Pedro River Basin in Arizona and Sonora. Washington, DC: Island Press, 2003.

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