Barker, V. C., Aufman, R. N., & Lockwood, J. S. (2009). Essential mathematics with applications (7th edition.). Cengage Learning.
Citace podle Chicago (17th ed.)Barker, Vernon C., Richard N. Aufman, a Joanne S. Lockwood. Essential Mathematics with Applications. 7th edition. USA: Cengage Learning, 2009.
Citace podle MLA (9th ed.)Barker, Vernon C., et al. Essential Mathematics with Applications. 7th edition. Cengage Learning, 2009.
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