Gramlich, E. M. (1981). Benefit-cost analysis of government programs. Prentice-Hall.
Chicago-čujuhus (17. p.)Gramlich, Edward M. Benefit-cost Analysis of Government Programs. Englewood Cliffs, N.J.: Prentice-Hall, 1981.
MLA-čujuhus (9. p.)Gramlich, Edward M. Benefit-cost Analysis of Government Programs. Prentice-Hall, 1981.
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