Larocca, D. (1999). Sams teach yourself: SAP R/3 in 24 hours. Techmedia.
Čikaški stil citiranja (17. izdanje)Larocca, Danielle. Sams Teach Yourself: SAP R/3 in 24 Hours. New Delhi: Techmedia, 1999.
MLA način citiranja (9. izdanje)Larocca, Danielle. Sams Teach Yourself: SAP R/3 in 24 Hours. Techmedia, 1999.
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