Cita APA (7th ed.)

Charles River Associates & United States. General Services Administration. Property Management and Disposal Service. (1968). Economic analysis of the platinum group metals. CRA.

Cita Chicago (17th ed.)

Charles River Associates i United States. General Services Administration. Property Management and Disposal Service. Economic Analysis of the Platinum Group Metals. Cambridge, Mass: CRA, 1968.

Cita MLA (9th ed.)

Charles River Associates i United States. General Services Administration. Property Management and Disposal Service. Economic Analysis of the Platinum Group Metals. CRA, 1968.