APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

Williams, Alan, ve 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.

MLA (9th ed.) Atıf

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