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Chicago-čujuhus (17. p.)ebrary, Inc, Maria Toeroe, juo Francis Tam. Service Availability: Principles and Practice. Hoboken, N.J.: Wiley, 2012.
MLA-čujuhus (9. p.)ebrary, Inc, et al. Service Availability: Principles and Practice. Wiley, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.