International Business Machines Corporation. International Technical Support Organization, ebrary, Inc, & Quintero, D. (2003). IBM eserver certification study guide: Cluster 1600 managed by PSSP. IBM, International Technical Support Organization.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Business Machines Corporation. International Technical Support Organization, Inc ebrary, και Dino Quintero. IBM Eserver Certification Study Guide: Cluster 1600 Managed by PSSP. [S.l.]: IBM, International Technical Support Organization, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)International Business Machines Corporation. International Technical Support Organization, et al. IBM Eserver Certification Study Guide: Cluster 1600 Managed by PSSP. IBM, International Technical Support Organization, 2003.