Rich, B., & Schmidt, P. A. (2000). Schaum's outline of theory and problems of geometry: Includes plane, analytic and transformational geometries (Third edition.). McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rich, Barnett, و Philip A. Schmidt. Schaum's Outline of Theory and Problems of Geometry: Includes Plane, Analytic and Transformational Geometries. Third edition. New York: McGraw-Hill, 2000.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rich, Barnett, و Philip A. Schmidt. Schaum's Outline of Theory and Problems of Geometry: Includes Plane, Analytic and Transformational Geometries. Third edition. McGraw-Hill, 2000.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.