Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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