creedy, j., Evans, L., & Thomas, B. (1984). Economics: An integrated approach. Prentice-hall international.
Citação norma Chicagocreedy, john, Lynne Evans, and Barry Thomas. Economics: An Integrated Approach. London: Prentice-hall international, 1984.
Citação norma MLAcreedy, john, et al. Economics: An Integrated Approach. Prentice-hall international, 1984.