APA (7th ed.) Zitazioa

creedy, j., Evans, L., & Thomas, B. (1984). Economics: An integrated approach. Prentice-hall international.

Chicago Style (17th ed.) Zitazioa

creedy, john, Lynne Evans, eta Barry Thomas. Economics: An Integrated Approach. London: Prentice-hall international, 1984.

MLA (9th ed.) Zitazioa

creedy, john, et al. Economics: An Integrated Approach. Prentice-hall international, 1984.