APA استشهاد

Sylves, R. (2020). Disaster policy and politics: Emergency management and homeland security (3rd ed.). Sage.

استشهاد بنمط شيكاغو

Sylves, Richard. Disaster Policy and Politics: Emergency Management and Homeland Security. 3rd ed. Los Angeles: Sage, 2020.

MLA استشهاد

Sylves, Richard. Disaster Policy and Politics: Emergency Management and Homeland Security. 3rd ed. Sage, 2020.