APA (7th ed.) Zitazioa

Smith, K., & Petley, D. N. (2009). Environmental hazards: Ssessing risk and reducing disaster (Fifth edition.). Routledge.

Chicago Style (17th ed.) Zitazioa

Smith, Keith, eta David N. Petley. Environmental Hazards: Ssessing Risk and Reducing Disaster. Fifth edition. Milton Park: Routledge, 2009.

MLA (9th ed.) Zitazioa

Smith, Keith, eta David N. Petley. Environmental Hazards: Ssessing Risk and Reducing Disaster. Fifth edition. Routledge, 2009.