Layard, R. (1994). Cost-benefit analysis (2nd ed.). Cambridge University Press.
Chicago Style citaatLayard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge: Cambridge University Press, 1994.
MLA citatieLayard, Richard. Cost-benefit Analysis. 2nd ed. Cambridge University Press, 1994.
Let op: Deze citaties zijn niet altijd 100% accuraat.