International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, & Credle, R. (2003). IBM WebSphere Portal v4.1 handbook. IBM, International Technical Support Organization.
Čikaški stil citiranja (17. izdanje)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, i Rufus Credle. IBM WebSphere Portal V4.1 Handbook. [Research Triangle Park, N.C.]: IBM, International Technical Support Organization, 2003.
MLA način citiranja (9. izdanje)International Business Machines Corporation. International Technical Support Organization, et al. IBM WebSphere Portal V4.1 Handbook. IBM, International Technical Support Organization, 2003.
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