Brechner, R. A. (2012). Contemporary mathematics for business and consumers (6E.). South-Westen/Cengage Learning.
Citace podle Chicago (17th ed.)Brechner, Robert A. Contemporary Mathematics for Business and Consumers. 6E. Australia: South-Westen/Cengage Learning, 2012.
Citace podle MLA (9th ed.)Brechner, Robert A. Contemporary Mathematics for Business and Consumers. 6E. South-Westen/Cengage Learning, 2012.
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