1. Abernethy, A. M., & Hollans, H. (2010). The home valuation code of conduct and its potential impacts. The Appraisal Journal, Winter, 81–93.
2. Backhouse, R. E. (2002). The ordinary business of life. Princeton NJ: Princeton University Press.
3. Baryla, E. A., & Zumpano, L. V. (1995). Buyer search duration in the residential real estate market: The role of the real estate agent. Journal of Real Estate Research, 10(1), 1–13.
4. Blaug, M. (1986). Economic history and the history of economics. Brighton: Wheatsheaf Books.
5. Brue, S. L., & Grant, R. R. (2007). The history of economic thought. Mason, OH: Thomsun South-Western.