Zerbe, R. O. J., & Dively, D. D. (1994). Benefit-cost analysis in theory and practice. New York: Harper Collins College.
Παραπομπή Chicago StyleZerbe, Richard O. Jr, and Dwight D. Dively. Benefit-cost Analysis in Theory and Practice. New York: Harper Collins College, 1994.
Παραπομπή MLAZerbe, Richard O. Jr, and Dwight D. Dively. Benefit-cost Analysis in Theory and Practice. New York: Harper Collins College, 1994.
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