Dyfyniad APA

Hall, R. E. (2005). Economics: Principles and applications. Australia: Thomson Learrning.

Dyfyniad Arddull Chicago

Hall, Robert E. Economics: Principles and Applications. Australia: Thomson Learrning, 2005.

Dyfyniad MLA

Hall, Robert E. Economics: Principles and Applications. Australia: Thomson Learrning, 2005.

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