International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, Warrick, C., & Castets, G. (2004). IBM TotalStorage Enterprise storage server: Implementing ESS Copy services with IBM eServer zSeries (5th ed.). IBM, International Technical Support Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, Cathy Warrick, و 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.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International 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.