Layard, R. (1994). Cost-benefit analysis (2nd ed.). Cambridge University Press.
Chicago-stil citatLayard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge: Cambridge University Press, 1994.
MLA-referensLayard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge University Press, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.