Hey, J. D., & Lambert, P. J. (1987). Surveys in the economics of uncertainty. B. Blackwell.
Chicago-viite (17. p.)Hey, John Denis, ja Peter J. Lambert. Surveys in the Economics of Uncertainty. Oxford, UK ; New York, NY, USA: B. Blackwell, 1987.
MLA-viite (9. p.)Hey, John Denis, ja Peter J. Lambert. Surveys in the Economics of Uncertainty. B. Blackwell, 1987.