Citazione Stile APA (7a Edizione)

Godschalk, D. R., & Godschalk , D. R. .. (1999). Natural Hazard mitigation ; recosting disaster policy and: Planning. D. C. Island Pr.

Citazione stile Chigago Style (17a edizione)

Godschalk, David R., e David R ..... Godschalk. Natural Hazard Mitigation ; Recosting Disaster Policy and: Planning. Washington: D. C. Island Pr, 1999.

Citatione MLA (9a ed.)

Godschalk, David R., e David R ..... Godschalk. Natural Hazard Mitigation ; Recosting Disaster Policy and: Planning. D. C. Island Pr, 1999.