Kogan, F. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
Lua i Stíl Chicago (17ú heag.)Kogan, Felix. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
Lua MLA (9ú heag.)Kogan, Felix. Disaster Forewarning Diagnostic Methods and Management. SPIE Digital Library.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.