APA (7th ed.) Zitazioa
Ehninger, D., Gronbeck, B. E., & Monroe, A. H. (1979). Principles of speech communication (8th.). Scott, Foresman and co..
Chicago Style (17th ed.) Zitazioa
Ehninger, Douglas, Bruce E. Gronbeck, eta Alan Houston Monroe. Principles of Speech Communication. 8th. Illinois: Scott, Foresman and co., 1979.
MLA (9th ed.) Zitazioa
Ehninger, Douglas, et al. Principles of Speech Communication. 8th. Scott, Foresman and co., 1979.
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