Butler, J. S. (1994). Contingency planning and disaster recovery strategies. Computer Technology Research Corp.
Citace podle Chicago (17th ed.)Butler, Janet Schecter. Contingency Planning and Disaster Recovery Strategies. Charleston, S.C: Computer Technology Research Corp, 1994.
Citace podle MLA (9th ed.)Butler, Janet Schecter. Contingency Planning and Disaster Recovery Strategies. Computer Technology Research Corp, 1994.
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