Dyfyniad APA

Coombs, W. T., & Holladay, S. J. (2010). The Handbook of crisis communication. Wiley-Blackwell.

Dyfyniad Arddull Chicago

Coombs, W. Timothy, and Sherry J. Holladay. The Handbook of Crisis Communication. Chichester, England: Wiley-Blackwell, 2010.

Dyfyniad MLA

Coombs, W. Timothy, and Sherry J. Holladay. The Handbook of Crisis Communication. Wiley-Blackwell, 2010.

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