Dyfyniad APA
Fusfeld, D. (1982). Economics: Principle of political economy. Scott,Foresmann.
Dyfyniad Arddull Chicago
Fusfeld, Daniel. Economics: Principle of Political Economy. Dallas: Scott,Foresmann, 1982.
Dyfyniad MLA
Fusfeld, Daniel. Economics: Principle of Political Economy. Scott,Foresmann, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.