Dyfyniad APA

McConnell, C. R., Brue, S. L. 1., & Flynn, S. M. (2009). Economics: Principles, problems, and policies (18th ed.). Boston: McGraw-Hill/Irwin.

Dyfyniad Arddull Chicago

McConnell, Campbell R., Stanley L. 1945- Brue, và Sean Masaki Flynn. Economics: Principles, Problems, and Policies. 18th ed. Boston: McGraw-Hill/Irwin, 2009.

Dyfyniad MLA

McConnell, Campbell R., Stanley L. 1945- Brue, và Sean Masaki Flynn. Economics: Principles, Problems, and Policies. 18th ed. Boston: McGraw-Hill/Irwin, 2009.

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