Oppenheim, e. C. (1989). Perspectives in information management 1. Butterworths.
Cita Chicago Style (17a ed.)Oppenheim, ed. Charles. Perspectives in Information Management 1. Butterworths, 1989.
Cita MLA (8a ed.)Oppenheim, ed. Charles. Perspectives in Information Management 1. Butterworths, 1989.
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