Citazione Stile APA (7a Edizione)

Ragan, C., & Lipsey, R. G. (2008). Economics (Twelfth Canadian edition.). Pearson Addison Wesley.

Citazione stile Chigago Style (17a edizione)

Ragan, Christopher, e Richard G. Lipsey. Economics. Twelfth Canadian edition. Toronto, Canada: Pearson Addison Wesley, 2008.

Citatione MLA (9a ed.)

Ragan, Christopher, e Richard G. Lipsey. Economics. Twelfth Canadian edition. Pearson Addison Wesley, 2008.