Gaya APA

Coombs, W, T., Holladay, S, J. (2012). The Handbook of crisis communication (Ed. 1). Chichester, West Sussex: Wiley-Blackwell.

Gaya MLA

Coombs, W., Timothy., Holladay, Sherry, J.. "The Handbook of crisis communication". Ed. 1 Chichester, West Sussex: Wiley-Blackwell, 2012. Text.