Powers, O. M. (1887). The complete accountant: Designed for the use of schools and private study (Rev. ed.). O.M. Powers.
Lua i Stíl Chicago (17ú heag.)Powers, Orville Marcellus. The Complete Accountant: Designed for the Use of Schools and Private Study. Rev. ed. Chicago: O.M. Powers, 1887.
Lua MLA (8ú heag.)Powers, Orville Marcellus. The Complete Accountant: Designed for the Use of Schools and Private Study. Rev. ed. O.M. Powers, 1887.
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