Παραπομπή APA

Spencer, B. D. (1980). Benefit-cost analysis of data used to allocate funds. Springer- Verlag.

Παραπομπή Chicago Style

Spencer, Bruce D. Benefit-cost Analysis of Data Used to Allocate Funds. New York: Springer- Verlag, 1980.

Παραπομπή MLA

Spencer, Bruce D. Benefit-cost Analysis of Data Used to Allocate Funds. Springer- Verlag, 1980.