Παραπομπή APA

Hey,John D, & Lambert,Peter J. (1987). Surveys in the economics of uncertainty. Basil Blackwell.

Παραπομπή Chicago Style

Hey,John D, και Lambert,Peter J. Surveys in the Economics of Uncertainty. New York: Basil Blackwell, 1987.

Παραπομπή MLA

Hey,John D, και Lambert,Peter J. Surveys in the Economics of Uncertainty. Basil Blackwell, 1987.