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Չիկագոյի ոճի (17րդ խմբ.) մեջբերումInternational Business Machines Corporation. International Technical Support Organization, Inc ebrary, Cathy Warrick, and Gustavo Castets. IBM TotalStorage Enterprise Storage Server: Implementing ESS Copy Services with IBM EServer ZSeries. 5th ed. San Jose, CA: IBM, International Technical Support Organization, 2004.
MLA (9րդ խմբ.) ՄեջբերումInternational Business Machines Corporation. International Technical Support Organization, et al. IBM TotalStorage Enterprise Storage Server: Implementing ESS Copy Services with IBM EServer ZSeries. 5th ed. IBM, International Technical Support Organization, 2004.