APA استشهاد

Johansson, P. O. (1993). Cost benefit analysis of environmental change. Cambridge University Press.

استشهاد بنمط شيكاغو

Johansson, Per Olov. Cost Benefit Analysis of Environmental Change. Cambridge: Cambridge University Press, 1993.

MLA استشهاد

Johansson, Per Olov. Cost Benefit Analysis of Environmental Change. Cambridge University Press, 1993.