Cooper, L. (1917). Louis Agassiz as a Teacher: Illustrative Extracts on His Method of Instruction. The Comstock Publishing Co..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cooper, Lane. Louis Agassiz as a Teacher: Illustrative Extracts on His Method of Instruction. Ithaca, N.Y: The Comstock Publishing Co., 1917.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cooper, Lane. Louis Agassiz as a Teacher: Illustrative Extracts on His Method of Instruction. The Comstock Publishing Co., 1917.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.