creedy, j., Evans, L., & Thomas, B. (1984). Economics: An integrated approach. Prentice-hall international.
Lua i Stíl Chicago (17ú heag.)creedy, john, Lynne Evans, agus Barry Thomas. Economics: An Integrated Approach. London: Prentice-hall international, 1984.
Lua MLA (9ú heag.)creedy, john, et al. Economics: An Integrated Approach. Prentice-hall international, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.