Hey, J. D., & Lambert, P. J. (1987). Surveys in the economics of uncertainty. B. Blackwell.
Chicago Style (17. basım) AtıfHey, John Denis, ve Peter J. Lambert. Surveys in the Economics of Uncertainty. Oxford, UK ; New York, NY, USA: B. Blackwell, 1987.
MLA (9th ed.) AtıfHey, John Denis, ve Peter J. Lambert. Surveys in the Economics of Uncertainty. B. Blackwell, 1987.