APA استشهاد

Coombs, W. T. (2015). Ongoing crisis communication: Planning, managing, and responding. Sage Publications.

استشهاد بنمط شيكاغو

Coombs, W. Timothy. Ongoing Crisis Communication: Planning, Managing, and Responding. London: Sage Publications, 2015.

MLA استشهاد

Coombs, W. Timothy. Ongoing Crisis Communication: Planning, Managing, and Responding. Sage Publications, 2015.