Smith, R. B. Chipping away at OSHA. Occupational health & safety.
Čikaški stil citiranja (17. izdanje)Smith, R. Blake. "Chipping Away at OSHA." Occupational Health & Safety .
MLA način citiranja (9. izdanje)Smith, R. Blake. "Chipping Away at OSHA." Occupational Health & Safety, .
Upozorenje: Ovi citati možda nisu uvijek 100% točni.