Nichols, B. E. (1879). Nichols' practical book-keeping by single and double entry: For the common school, the high school, and the commercial college. Courier steam printing house.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Nichols, Benjamin E. Nichols' Practical Book-keeping by Single and Double Entry: For the Common School, the High School, and the Commercial College. [Ann Arbor, Mich.: Courier steam printing house, 1879.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Nichols, Benjamin E. Nichols' Practical Book-keeping by Single and Double Entry: For the Common School, the High School, and the Commercial College. Courier steam printing house, 1879.
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