Smith, R. B. The New OSHA. Occupational health & safety.
Lua i Stíl Chicago (17ú heag.)Smith, R. Blake. "The New OSHA." Occupational Health & Safety .
Lua MLA (9ú heag.)Smith, R. Blake. "The New OSHA." Occupational Health & Safety, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.