एपीए उद्धरण

(1978). Supervisors Safety Manual: Better production without injury and Waste from Accidents. Chicago, Illinois: National Safety Council.

शिकागो स्टाइल उद्धरण

Supervisors Safety Manual: Better Production Without Injury and Waste From Accidents. Chicago, Illinois: National Safety Council, 1978.

एमएलए उद्धरण

Supervisors Safety Manual: Better Production Without Injury and Waste From Accidents. Chicago, Illinois: National Safety Council, 1978.