APA استشهاد

Smith, K. (2004). Environmental hazards: Assessing risk and reducing disaster (4th ed.). Routledge.

استشهاد بنمط شيكاغو

Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 4th ed. London: Routledge, 2004.

MLA استشهاد

Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 4th ed. Routledge, 2004.