Citazione Stile APA (7a Edizione)

United States. General Accounting Office & United States. General Accounting Office. Office of Program Analysis. Federal information sources and systems. The Comptroller : For sale by the Supt. of Docs., U.S. G.P.O.,.

Citazione stile Chigago Style (17a edizione)

United States. General Accounting Office e United States. General Accounting Office. Office of Program Analysis. Federal Information Sources and Systems. Washington, D.C.: The Comptroller : For sale by the Supt. of Docs., U.S. G.P.O.,.

Citatione MLA (8a ed.)

United States. General Accounting Office e United States. General Accounting Office. Office of Program Analysis. Federal Information Sources and Systems. The Comptroller : For sale by the Supt. of Docs., U.S. G.P.O.,.