Gronbeck, B. E. (1990). Principles and types of speech communication (11th ed.). Scott, Foresman/Little, Brown Higher Education.
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Dyfyniad Arddull Chicago
Gronbeck, Bruce E. Principles and Types of Speech Communication. 11th ed. Glenview, Ill.: Scott, Foresman/Little, Brown Higher Education, 1990.
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Dyfyniad MLA
Gronbeck, Bruce E. Principles and Types of Speech Communication. 11th ed. Scott, Foresman/Little, Brown Higher Education, 1990.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.