Cita APA (7th ed.)

Hey, J. D., & Lambert, P. J. (1987). Surveys in the economics of uncertainty. B. Blackwell.

Cita Chicago (17th ed.)

Hey, John Denis, i Peter J. Lambert. Surveys in the Economics of Uncertainty. Oxford, UK ; New York, NY, USA: B. Blackwell, 1987.

Cita MLA (9th ed.)

Hey, John Denis, i Peter J. Lambert. Surveys in the Economics of Uncertainty. B. Blackwell, 1987.