Dyfyniad APA

Economic Analysis | Institute of Economic Sciences. Cambridge University Press.

Dyfyniad Arddull Chicago

Economic Analysis | Institute of Economic Sciences. Cambridge University Press.

Dyfyniad MLA

Economic Analysis | Institute of Economic Sciences. Cambridge University Press.

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