Johnston, C. L., Willis, A. T., Lazaris, J., & Hughes, G. M. (1995). Test bank with answers to set II exercises Essential algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris (7th ed.). PWS.
Citace podle Chicago (17th ed.)Johnston, C. L., Alden T. Willis, Jeanne Lazaris, a Gale M. Hughes. Test Bank with Answers to Set II Exercises Essential Algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris. 7th ed. Boston: PWS, 1995.
Citace podle MLA (9th ed.)Johnston, C. L., et al. Test Bank with Answers to Set II Exercises Essential Algebra, C.L. Johnston, Alden T. Willis, Jeanne Lazaris. 7th ed. PWS, 1995.
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