Layard, R. E. (1972). Cost-benefit analysis: Selected readings. Penguin.
Chicago Edition CitationLayard, Richard. Editor. Cost-benefit Analysis: Selected Readings. Harmondsworth: Penguin, 1972.
Cita MLALayard, Richard. Editor. Cost-benefit Analysis: Selected Readings. Penguin, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.