Cita APA (7th ed.)

Faber, M. M., Manstetten, R., & Proops, J. L. R. (1996). Ecological economics: Concepts and methods. E. Elgar.

Cita Chicago (17th ed.)

Faber, Malte Michael, Reiner Manstetten, i John L. R. Proops. Ecological Economics: Concepts and Methods. Cheltenham, UK ; Brookfield, Vt., US: E. Elgar, 1996.

Cita MLA (9th ed.)

Faber, Malte Michael, et al. Ecological Economics: Concepts and Methods. E. Elgar, 1996.