American College of Occupational and Environmental Medicine. (2004). Journal of Occupational and Environmental Medicine. Williams & Wilkins.
Lua i Stíl Chicago (17ú heag.)American College of Occupational and Environmental Medicine. Journal of Occupational and Environmental Medicine. Baltimore, Md: Williams & Wilkins, 2004.
Lua MLA (8ú heag.)American College of Occupational and Environmental Medicine. Journal of Occupational and Environmental Medicine. Williams & Wilkins, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.