Barrett, H. (1981). Speaking practically: An introduction to public speaking. Holt,Rinehart and Winston.
Chicago Style (17. basım) AtıfBarrett, Harold. Speaking Practically: An Introduction to Public Speaking. New York: Holt,Rinehart and Winston, 1981.
MLA (9th ed.) AtıfBarrett, Harold. Speaking Practically: An Introduction to Public Speaking. Holt,Rinehart and Winston, 1981.
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