Buresh, J. J., Alexander, D. C., & Thomas, R. E. Throw away your old safety forms. Occupational health & safety.
Cita Chicago (17th ed.)Buresh, Jeffery J., David C. Alexander, i Robert E. Thomas. "Throw Away Your Old Safety Forms." Occupational Health & Safety .
Cita MLA (9th ed.)Buresh, Jeffery J., et al. "Throw Away Your Old Safety Forms." Occupational Health & Safety, .
Atenció: Aquestes cites poden no estar 100% correctes.