Ryan; Raducha-Grace. Business of IT, The: How to Improve Service and Lower Costs (1.). Pearson India.
Čikaški stil citiranja (17. izdanje)Ryan; Raducha-Grace. Business of IT, The: How to Improve Service and Lower Costs. 1. Pearson India.
MLA način citiranja (8. izdanje)Ryan; Raducha-Grace. Business of IT, The: How to Improve Service and Lower Costs. 1. Pearson India.
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