Cita APA (7a ed.)

Twigg, J. (2004). Disaster risk reduction: Mitigation and preparedness in development and emergency programming. Humanitarian Practice Network (HPN), Overseas Development Institute.

Cita Chicago Style (17a ed.)

Twigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. London: Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.

Cita MLA (9a ed.)

Twigg, John. Disaster Risk Reduction: Mitigation and Preparedness in Development and Emergency Programming. Humanitarian Practice Network (HPN), Overseas Development Institute, 2004.