Twigg, J. (2004). Disaster risk reduction: Mitigation and preparedness in development and emergency programming. Humanitarian Practice Network (HPN), Overseas Development Institute.
Citazione stile Chigago Style (17a edizione)Twigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. London: Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.
Citatione MLA (9a ed.)Twigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.