American Bar Association. Section of Labor and Employment Law, Bokat, S. A., & Thompson, H. A. (1988). Occupational safety and health law. Bureau of National Affairs.
Cita Chicago (17th ed.)American Bar Association. Section of Labor and Employment Law, Stephen A. Bokat, i Horace A. Thompson. Occupational Safety and Health Law. Washington, D.C: Bureau of National Affairs, 1988.
Cita MLA (9th ed.)American Bar Association. Section of Labor and Employment Law, et al. Occupational Safety and Health Law. Bureau of National Affairs, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.