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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)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.