Le Grand, J., & Robinson, R. (1976). The economics of social problems. Macmillan.
Chicago-čujuhus (17. p.)Le Grand, Julian, juo Ray Robinson. The Economics of Social Problems. London: Macmillan, 1976.
MLA-čujuhus (9. p.)Le Grand, Julian, juo Ray Robinson. The Economics of Social Problems. Macmillan, 1976.
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