Farrell, J. v. R. (1980). Prices as signals of quality. University of Oxford.
Chicago-referens (17:e uppl.)Farrell, Joseph von Rosthorn. Prices as Signals of Quality. England: University of Oxford, 1980.
MLA-referens (8:e uppl.)Farrell, Joseph von Rosthorn. Prices as Signals of Quality. University of Oxford, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.