Dyfyniad APA

Niemi,Albert W. (1978). Understanding economics. Rand McNally College.

Dyfyniad Arddull Chicago

Niemi,Albert W. Understanding Economics. Chicago: Rand McNally College, 1978.

Dyfyniad MLA

Niemi,Albert W. Understanding Economics. Rand McNally College, 1978.

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