Dyfyniad APA

Barrett, D. J. (2013). Leadership communication 4th ed. MC GRAW HILL.

Dyfyniad Arddull Chicago

Barrett, Deborah J. Leadership Communication 4th Ed. MC GRAW HILL, 2013.

Dyfyniad MLA

Barrett, Deborah J. Leadership Communication 4th Ed. MC GRAW HILL, 2013.

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