Riddle, D. F. (1982). Analytic geometry (3rd ed.). Wadsworth Publishing Company.
Chicago Style (17. basım) AtıfRiddle, Douglas F. Analytic Geometry. 3rd ed. California: Wadsworth Publishing Company, 1982.
MLA (9th ed.) AtıfRiddle, Douglas F. Analytic Geometry. 3rd ed. Wadsworth Publishing Company, 1982.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..