Dyfyniad APA

Turner, R. K., Pearce, D. W., & Bateman, I. (1993). Environmental economics: An elementary introduction. Johns Hopkins University Press.

Dyfyniad Arddull Chicago

Turner, R. Kerry, David W. Pearce, and Ian Bateman. Environmental Economics: An Elementary Introduction. Baltimore: Johns Hopkins University Press, 1993.

Dyfyniad MLA

Turner, R. Kerry, et al. Environmental Economics: An Elementary Introduction. Johns Hopkins University Press, 1993.

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