Davies, C., & Legendre, A. M. (1868). Elements of geometry and trigonometry from the works of A.M. Legendre: Adapted to the course of mathematical instruction in the United States. A.S. Barnes & Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Davies, Charles, و A. M. Legendre. Elements of Geometry and Trigonometry from the Works of A.M. Legendre: Adapted to the Course of Mathematical Instruction in the United States. New York: A.S. Barnes & Co., 1868.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Davies, Charles, و A. M. Legendre. Elements of Geometry and Trigonometry from the Works of A.M. Legendre: Adapted to the Course of Mathematical Instruction in the United States. A.S. Barnes & Co., 1868.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.