Annals of Work Exposures and Health. British Occupational Hygiene Society.
Lua i Stíl Chicago (17ú heag.)Annals of Work Exposures and Health. British Occupational Hygiene Society.
Lua MLA (9ú heag.)Annals of Work Exposures and Health. British Occupational Hygiene Society.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.