APA-čujuhus (7. p.)
Ulmer, R. R., Seeger, M. W., & Sellnow, T. L. (2011). Effective crisis communication: Moving from crisis to opportunity. Sage.
Chicago-čujuhus (17. p.)
Ulmer, Robert R., Mathew W. Seeger, juo Timothy L. Sellnow. Effective Crisis Communication: Moving from Crisis to Opportunity. Los Angeles: Sage, 2011.
MLA-čujuhus (9. p.)
Ulmer, Robert R., et al. Effective Crisis Communication: Moving from Crisis to Opportunity. Sage, 2011.
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