APA-viite (7. p.)

Farrell, J. v. R. (1980). Prices as signals of quality. University of Oxford.

Chicago-viite (17. p.)

Farrell, Joseph von Rosthorn. Prices as Signals of Quality. England: University of Oxford, 1980.

MLA-viite (8. p.)

Farrell, Joseph von Rosthorn. Prices as Signals of Quality. University of Oxford, 1980.