Style de citation APA (7e éd.)

Williams, A., & Giardina, E. (1993). Efficiency in the public sector: The theory and practice of cost-benefit analysis. Edward Elgar.

Style de citation Chicago (17e éd.)

Williams, Alan, et Emilio Giardina. Efficiency in the Public Sector: The Theory and Practice of Cost-benefit Analysis. Aldershot, Hants, England, Brookfield, Vt., U.S: Edward Elgar, 1993.

Style de citation MLA (9e éd.)

Williams, Alan, et Emilio Giardina. Efficiency in the Public Sector: The Theory and Practice of Cost-benefit Analysis. Edward Elgar, 1993.