creedy, j., Evans, L., & Thomas, B. (1984). Economics: An integrated approach. Prentice-hall international.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रcreedy, john, Lynne Evans, और Barry Thomas. Economics: An Integrated Approach. London: Prentice-hall international, 1984.
एमएलए (9वां संस्करण) प्रशस्ति पत्रcreedy, john, et al. Economics: An Integrated Approach. Prentice-hall international, 1984.