Dean, H. H. (1953). Effective communication: A guide to reading, writing, speaking, and listening. Prentice-Hall.
Dyfyniad Arddull ChicagoDean, Howard H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. New York: Prentice-Hall, 1953.
Dyfyniad MLADean, Howard H. Effective Communication: A Guide to Reading, Writing, Speaking, and Listening. Prentice-Hall, 1953.
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