Hallam, S. F. (1974). An investigation of the objectives and constraints of electronic data processing departments. Univ. Microfilms.
Citace podle Chicago (17th ed.)Hallam, Stephen F. An Investigation of the Objectives and Constraints of Electronic Data Processing Departments. Iowa City, (Ann Arbor, Mich.: Univ. Microfilms, 1974.
Citace podle MLA (8th ed.)Hallam, Stephen F. An Investigation of the Objectives and Constraints of Electronic Data Processing Departments. Univ. Microfilms, 1974.
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