Stengel, D. N., & Chaffe-Stengel, P. M. (2012). Working with economic indicators: Interpretation and sources. Business Expert Press.
Citace podle Chicago (17th ed.)Stengel, Donald N., a Priscilla M. Chaffe-Stengel. Working with Economic Indicators: Interpretation and Sources. [New York, N.Y.] (222 East 46th Street, New York, NY 10017): Business Expert Press, 2012.
Citace podle MLA (9th ed.)Stengel, Donald N., a Priscilla M. Chaffe-Stengel. Working with Economic Indicators: Interpretation and Sources. Business Expert Press, 2012.
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