Allen, J., & Lientz, B. P. (1979). Effective business communication: A practical guide. Goodyear.
Chicago Style aipamenaAllen, Joseph, and Bennet P. Lientz. Effective Business Communication: A Practical Guide. Santa Monica, Calif: Goodyear, 1979.
MLA aipamenaAllen, Joseph, and Bennet P. Lientz. Effective Business Communication: A Practical Guide. Goodyear, 1979.
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