Dyfyniad APA

Tietenberg,Thomas, & Button,Kenneth. (1999). Environmetal instruments and institutions. Elgar.

Dyfyniad Arddull Chicago

Tietenberg,Thomas, and Button,Kenneth. Environmetal Instruments and Institutions. Cheltenham: Elgar, 1999.

Dyfyniad MLA

Tietenberg,Thomas, and Button,Kenneth. Environmetal Instruments and Institutions. Elgar, 1999.

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