Littlefield, C. L., & Peterson, R. L. (1956). Modern office management (2nd print.). Prentice-Hall.
Cita Chicago Style (17a ed.)Littlefield, Cleatice L., y Robert Lenus Peterson. Modern Office Management. 2nd print. Englewood Cliffs, New Jersey: Prentice-Hall, 1956.
Cita MLA (9a ed.)Littlefield, Cleatice L., y Robert Lenus Peterson. Modern Office Management. 2nd print. Prentice-Hall, 1956.
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