Cita APA (7th ed.)

(1993). Cost-benefit analysis of environmental change / Per-Olov Johansson.

Cita Chicago (17th ed.)

Cost-benefit Analysis of Environmental Change / Per-Olov Johansson. 1993.

Cita MLA (9th ed.)

Cost-benefit Analysis of Environmental Change / Per-Olov Johansson. 1993.

Atenció: Aquestes cites poden no estar 100% correctes.