Layard, P. R. G. (1972). Cost-benefit analysis: Selected readings. Penguin Education.
Chicago (17e ed.) BronvermeldingLayard, P. R. G. Cost-benefit Analysis: Selected Readings. Harmondsworth, Eng. ; Baltimore: Penguin Education, 1972.
MLA (8e ed.) BronvermeldingLayard, P. R. G. Cost-benefit Analysis: Selected Readings. Penguin Education, 1972.
Let op: Deze citaties zijn niet altijd 100% accuraat.