Παραπομπή σε μορφή APA (7η εκδ.)

Charles River Associates & U. S. General Services Administration. Property Management and Disposal Service. (1969). Economic analysis of the tungsten industry. CRA.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Charles River Associates και U. S. General Services Administration. Property Management and Disposal Service. Economic Analysis of the Tungsten Industry. Cambridge, Mass: CRA, 1969.

Παραπομπή σε μορφή MLA (9th εκδ.)

Charles River Associates και U. S. General Services Administration. Property Management and Disposal Service. Economic Analysis of the Tungsten Industry. CRA, 1969.