Gudder, S. (1994). A mathematical journey (2nd ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Gudder, Stanley. A Mathematical Journey. 2nd ed. New York: McGraw-Hill, 1994.
Tohutoro MLA (9th ed.)Gudder, Stanley. A Mathematical Journey. 2nd ed. McGraw-Hill, 1994.
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