Pearce, D. W., & Pearce, D. W. (1983). Cost-benefit analysis (2nd ed.). Macmillan.

Pearce, D W., and D. W. Pearce. Cost-benefit Analysis. 2nd ed. New York: Macmillan, 1983.

Pearce, D W., and D. W. Pearce. Cost-benefit Analysis. 2nd ed. Macmillan, 1983.