Dowrick, D. J. (2003). Earthquake risk reduction. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Dowrick, David J. Earthquake Risk Reduction. John Wiley & Sons, 2003.
Lua MLA (8ú heag.)Dowrick, David J. Earthquake Risk Reduction. John Wiley & Sons, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.