U.S. Civil Service Commission. Public Information Office & Cooke, C. (1959). Biography of an ideal: The diamond annibversary history of the Federal Civil Service. U.S. Govt. Print. Off.
Cita Chicago (17th ed.)U.S. Civil Service Commission. Public Information Office i Charles Cooke. Biography of an Ideal: The Diamond Annibversary History of the Federal Civil Service. Washington: U.S. Govt. Print. Off, 1959.
Cita MLA (9th ed.)U.S. Civil Service Commission. Public Information Office i Charles Cooke. Biography of an Ideal: The Diamond Annibversary History of the Federal Civil Service. U.S. Govt. Print. Off, 1959.
Atenció: Aquestes cites poden no estar 100% correctes.