International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, & Rayns, C. (2004). IBM eserver zSeries 990 (z990) cryptography implementation. IBM, International Technical Support Organization.
Čikaški stil citiranja (17. izdanje)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, i Chris Rayns. IBM Eserver ZSeries 990 (z990) Cryptography Implementation. Poughkeepsie, NY: IBM, International Technical Support Organization, 2004.
MLA način citiranja (9. izdanje)International Business Machines Corporation. International Technical Support Organization, et al. IBM Eserver ZSeries 990 (z990) Cryptography Implementation. IBM, International Technical Support Organization, 2004.
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