Kelly, W. F. (1969). Management through systems and procedures: The total systems concept. Wiley-Interscience.
Chicago-viite (17. p.)Kelly, William F. Management Through Systems and Procedures: The Total Systems Concept. New York: Wiley-Interscience, 1969.
MLA-viite (9. p.)Kelly, William F. Management Through Systems and Procedures: The Total Systems Concept. Wiley-Interscience, 1969.
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