Ellis Publishing Company. (1897). Guide to the Ellis system of actual business training and practical accounting: A full course of instruction in business practice and elementary and advanced accounting, for the use of commercial schools (Rev. ed.). Ellis.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ellis Publishing Company. Guide to the Ellis System of Actual Business Training and Practical Accounting: A Full Course of Instruction in Business Practice and Elementary and Advanced Accounting, for the Use of Commercial Schools. Rev. ed. Battle Creek: Ellis, 1897.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ellis Publishing Company. Guide to the Ellis System of Actual Business Training and Practical Accounting: A Full Course of Instruction in Business Practice and Elementary and Advanced Accounting, for the Use of Commercial Schools. Rev. ed. Ellis, 1897.