Dyfyniad APA

Conner,J Richard, & Loehman,Edna. (1974). Economics and decision making for environmental quality. The University Press.

Dyfyniad Arddull Chicago

Conner,J Richard, and Loehman,Edna. Economics and Decision Making for Environmental Quality. Florida: The University Press, 1974.

Dyfyniad MLA

Conner,J Richard, and Loehman,Edna. Economics and Decision Making for Environmental Quality. The University Press, 1974.

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