APA aipamena

Johansson, P. O. (1994). The economic theory and measurement of enviornmental benefits. Cambridge University Press.

Chicago Style aipamena

Johansson, Per- Olov. The Economic Theory and Measurement of Enviornmental Benefits. Cambridge: Cambridge University Press, 1994.

MLA aipamena

Johansson, Per- Olov. The Economic Theory and Measurement of Enviornmental Benefits. Cambridge University Press, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.