BLACK KEN & SINGH SANJEET. (2022). BUSINESS STATISTICS (10TH ED.). WILEY.
Čikaški stil citiranja (17. izdanje)BLACK KEN i SINGH SANJEET. BUSINESS STATISTICS. 10TH ED. NEW DELHI: WILEY, 2022.
MLA način citiranja (9. izdanje)BLACK KEN i SINGH SANJEET. BUSINESS STATISTICS. 10TH ED. WILEY, 2022.
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