National Committee on Urban Transportation & Public Administration Service. (1958). Procedure manual (1A-.). Public Administration Service.
Chicago Style aipamenaNational Committee on Urban Transportation and Public Administration Service. Procedure Manual. 1A-. Chicago: Public Administration Service, 1958.
MLA aipamenaNational Committee on Urban Transportation and Public Administration Service. Procedure Manual. 1A-. Public Administration Service, 1958.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.