Dyfyniad APA
McConnell, C. R. (1984). Economics: Principles,problems, and policies (7th ed.). McGraw-Hill.
Dyfyniad Arddull Chicago
McConnell, Campell R. Economics: Principles,problems, and Policies. 7th ed. New York: McGraw-Hill, 1984.
Dyfyniad MLA
McConnell, Campell R. Economics: Principles,problems, and Policies. 7th ed. McGraw-Hill, 1984.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.