Dyfyniad APA

363586 Lawn, P. (2007). Frontier issues in ecological economics. Cheltenham, UK : Edward Elgar.

Dyfyniad Arddull Chicago

363586 Lawn, Philip. Frontier Issues in Ecological Economics. Cheltenham, UK : Edward Elgar, 2007.

Dyfyniad MLA

363586 Lawn, Philip. Frontier Issues in Ecological Economics. Cheltenham, UK : Edward Elgar, 2007.

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