APA (7th ed.) Zitazioa

Gramlich, E. M. (1981). Benefit-cost analysis of government programs. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Gramlich, Edward M. Benefit-cost Analysis of Government Programs. Englewood Cliffs, N.J.: Prentice-Hall, 1981.

MLA (9th ed.) Zitazioa

Gramlich, Edward M. Benefit-cost Analysis of Government Programs. Prentice-Hall, 1981.

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