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