Dugopolski, M. (2008). Algebra for college students (Fourth edition.). New York, NY McGraw-Hill Higher Education.
Citace podle Chicago (17th ed.)Dugopolski, Mark. Algebra for College Students. Fourth edition. New York, NY McGraw-Hill Higher Education, 2008.
Citace podle MLA (9th ed.)Dugopolski, Mark. Algebra for College Students. Fourth edition. New York, NY McGraw-Hill Higher Education, 2008.
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