APA استشهاد

Singh, J. (2008). Disaster management future challenges and opportunities.

استشهاد بنمط شيكاغو

Singh, Jagbir. Disaster Management Future Challenges and Opportunities. New Delhi, I K International, 2008.

MLA استشهاد

Singh, Jagbir. Disaster Management Future Challenges and Opportunities. 2008.