Dyfyniad APA

Roger A. Arnold. Microeconomics. Mason, OH: Thomson/South-Western.

Dyfyniad Arddull Chicago

Roger A. Arnold. Microeconomics. Mason, OH: Thomson/South-Western.

Dyfyniad MLA

Roger A. Arnold. Microeconomics. Mason, OH: Thomson/South-Western.

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