National Committee on Urban Transportation & Public Administration Service. (1958). Procedure manual (1A-.). Public Administration Service.
Chicago-viite (17. p.)National Committee on Urban Transportation ja Public Administration Service. Procedure Manual. 1A-. Chicago: Public Administration Service, 1958.
MLA-viite (9. p.)National Committee on Urban Transportation ja Public Administration Service. Procedure Manual. 1A-. Public Administration Service, 1958.
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