(1963). Use of Electronic Data Processing Equipment. hearings before the United States House Committee on Post Office and Civil Service, Subcommittee on Census and Government Statistics, Eighty-Eighth Congress, first session, on June 13, 1963. [electronic resource]: Part 2.
Παραπομπή σε μορφή Chicago (17η εκδ.)Use of Electronic Data Processing Equipment. Hearings Before the United States House Committee on Post Office and Civil Service, Subcommittee on Census and Government Statistics, Eighty-Eighth Congress, First Session, on June 13, 1963. [electronic Resource]: Part 2. 1963.
Παραπομπή σε μορφή MLA (9th εκδ.)Use of Electronic Data Processing Equipment. Hearings Before the United States House Committee on Post Office and Civil Service, Subcommittee on Census and Government Statistics, Eighty-Eighth Congress, First Session, on June 13, 1963. [electronic Resource]: Part 2. 1963.