Layard, P. R. G. (1972). Cost-benefit analysis: Selected readings. Penguin Education.
Chicago Style (17th ed.) CitationLayard, P. R. G. Cost-benefit Analysis: Selected Readings. Harmondsworth, Eng. ; Baltimore: Penguin Education, 1972.
ציטוט MLALayard, P. R. G. Cost-benefit Analysis: Selected Readings. Penguin Education, 1972.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.