Coombs, W. T. (1999). On going crisis communicationplanning, managing, and responding. Sage.
Citace podle Chicago (17th ed.)Coombs, W. Timothy. On Going Crisis Communicationplanning, Managing, and Responding. Sage, 1999.
Citace podle MLA (8th ed.)Coombs, W. Timothy. On Going Crisis Communicationplanning, Managing, and Responding. Sage, 1999.
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