Dyfyniad APA

Fisher, A. C. (1981). Resource and environmental economics. London: Cambridge University Press.

Dyfyniad Arddull Chicago

Fisher, Anthony C. Resource and Environmental Economics. London: Cambridge University Press, 1981.

Dyfyniad MLA

Fisher, Anthony C. Resource and Environmental Economics. London: Cambridge University Press, 1981.

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