Underwood, P. G. (1996). Soft systems analysis and the management of libraries information services and resource centers. Library Association.
Citace podle Chicago (17th ed.)Underwood, Peter G. Soft Systems Analysis and the Management of Libraries Information Services and Resource Centers. London: Library Association, 1996.
Citace podle MLA (9th ed.)Underwood, Peter G. Soft Systems Analysis and the Management of Libraries Information Services and Resource Centers. Library Association, 1996.
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