Dyfyniad APA

McKenna, C. (1998). Powerful communication skills: How to communicate with confidence. Franklin Lakes, N.J: Career Press.

Dyfyniad Arddull Chicago

McKenna, Colleen. Powerful Communication Skills: How to Communicate With Confidence. Franklin Lakes, N.J: Career Press, 1998.

Dyfyniad MLA

McKenna, Colleen. Powerful Communication Skills: How to Communicate With Confidence. Franklin Lakes, N.J: Career Press, 1998.

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