Harvey, J. (1987). Modern economics: An introduction for business and professional students (4 edition.). English Language Book Society.
Styl ChicagoHarvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 4 edition. London: English Language Book Society, 1987.
Citace podle MLAHarvey, Jack. Modern Economics: An Introduction for Business and Professional Students. 4 edition. English Language Book Society, 1987.
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