Dyfyniad APA

Smith, K. (1996). Environmental hazards: Assessing risk and reducing disaster (2nd ed.). Routledge.

Dyfyniad Arddull Chicago

Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 2nd ed. London: Routledge, 1996.

Dyfyniad MLA

Smith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 2nd ed. Routledge, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.