Robbins, L. R. (1949). An essay on the nature & significance of economic science (2nd ed., rev., and extended.). Macmillan.
Citace podle Chicago (17th ed.)Robbins, Lionel Robbins. An Essay on the Nature & Significance of Economic Science. 2nd ed., rev., and extended. London: Macmillan, 1949.
Citace podle MLA (8th ed.)Robbins, Lionel Robbins. An Essay on the Nature & Significance of Economic Science. 2nd ed., rev., and extended. Macmillan, 1949.
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