Lua APA (7ú heag.)

Thygerson, A. L. (1977). Accidents & disasters: Causes and countermeasures. Prentice-Hall.

Lua i Stíl Chicago (17ú heag.)

Thygerson, Alton L. Accidents & Disasters: Causes and Countermeasures. Englewood Cliffs, N.J: Prentice-Hall, 1977.

Lua MLA (9ú heag.)

Thygerson, Alton L. Accidents & Disasters: Causes and Countermeasures. Prentice-Hall, 1977.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.