Dyfyniad APA

McConnell Campbell. (2013). Economics: Principles, Problem, and Policies. McGraw Hill.

Dyfyniad Arddull Chicago

McConnell Campbell. Economics: Principles, Problem, and Policies. New Delhi: McGraw Hill, 2013.

Dyfyniad MLA

McConnell Campbell. Economics: Principles, Problem, and Policies. McGraw Hill, 2013.

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