International Labour Office. Prevencin̤ de grandes accidentes industriales.
Cita Chicago (17th ed.)International Labour Office. Prevencin̤ De Grandes Accidentes Industriales.
Cita MLA (9th ed.)International Labour Office. Prevencin̤ De Grandes Accidentes Industriales.
Atenció: Aquestes cites poden no estar 100% correctes.