Smith, K. (2004). Environmental hazards: Assessing risk and reducing disaster (4th ed.). Routledge.
शिकागो स्टाइल उद्धरणSmith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 4th ed. London: Routledge, 2004.
एमएलए उद्धरणSmith, Keith. Environmental Hazards: Assessing Risk and Reducing Disaster. 4th ed. Routledge, 2004.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.