(1978). Supervisors Safety Manual: Better production without injury and Waste from Accidents. Chicago, Illinois: National Safety Council.
Citação norma ChicagoSupervisors Safety Manual: Better Production Without Injury and Waste From Accidents. Chicago, Illinois: National Safety Council, 1978.
Citação norma MLASupervisors Safety Manual: Better Production Without Injury and Waste From Accidents. Chicago, Illinois: National Safety Council, 1978.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.