Dyfyniad APA

Nobbs, J. (1981). Social economics (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Nobbs, Jack. Social Economics. 3rd ed. London ; New York: McGraw-Hill, 1981.

Dyfyniad MLA

Nobbs, Jack. Social Economics. 3rd ed. McGraw-Hill, 1981.

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