Boardman, A. E., Greenberg, D. H., & Vining, A. R. (2001). Cost-benefit analysis: Concepts and practice (2nd ed.). Prentice Hall.
Cita Chicago (17th ed.)Boardman, Anthony E., David H. Greenberg, i Aidan R. Vining. Cost-benefit Analysis: Concepts and Practice. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
Cita MLA (9th ed.)Boardman, Anthony E., et al. Cost-benefit Analysis: Concepts and Practice. 2nd ed. Prentice Hall, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.