Dyfyniad APA

Speech Communication Association & National Communication Association (U.S.). Communication education. Routledge.

Dyfyniad Arddull Chicago

Speech Communication Association and National Communication Association (U.S.). Communication Education. Abingdon, Oxfordshire: Routledge.

Dyfyniad MLA

Speech Communication Association and National Communication Association (U.S.). Communication Education. Routledge.

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