Riddle, D. F. (1996). Analytic geometry (Sixth edition.). Cengage Learning Asia.
Chicago Style (17th ed.) CitationRiddle, Douglas F. Analytic Geometry. Sixth edition. Singapore: Cengage Learning Asia, 1996.
MLA (9th ed.) CitationRiddle, Douglas F. Analytic Geometry. Sixth edition. Cengage Learning Asia, 1996.
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