APA
Williams A. e., Giardina E. e., . (1995). Efficiency in the public sector : the theory and practice of cost-benefit analysis. Hants: Elgar.
Chicago
Williams Alan ed, Giardina Emilio ed, . 1995. Efficiency in the public sector : the theory and practice of cost-benefit analysis. Hants: Elgar.
Harvard
Williams A. e., Giardina E. e., . (1995). Efficiency in the public sector : the theory and practice of cost-benefit analysis. Hants: Elgar.
MLA
Williams Alan ed, Giardina Emilio ed, . Efficiency in the public sector : the theory and practice of cost-benefit analysis. Hants: Elgar. 1995.