Cita APA (7th ed.)

Hanley, N., & Spash, C. L. (1993). Cost-benefit analysis and the environment. E. Elgar.

Cita Chicago (17th ed.)

Hanley, Nick, i Clive L. Spash. Cost-benefit Analysis and the Environment. Aldershot, Hants, England, Brookfield, Vt: E. Elgar, 1993.

Cita MLA (9th ed.)

Hanley, Nick, i Clive L. Spash. Cost-benefit Analysis and the Environment. E. Elgar, 1993.