Rutledge, W. (1968). Introduction to algebra for college students (2nd ed.). Prentice-Hall, Inc.
Citace podle Chicago (17th ed.)Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Englewood Cliffs, New Jersey: Prentice-Hall, Inc, 1968.
Citace podle MLA (9th ed.)Rutledge, William. Introduction to Algebra for College Students. 2nd ed. Prentice-Hall, Inc, 1968.
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