Cita APA (7th ed.)

National Committee on Urban Transportation & Public Administration Service. (1958). Procedure manual. Public Administration Service.

Cita Chicago (17th ed.)

National Committee on Urban Transportation i Public Administration Service. Procedure Manual. Chicago: Public Administration Service, 1958.

Cita MLA (9th ed.)

National Committee on Urban Transportation i Public Administration Service. Procedure Manual. Public Administration Service, 1958.