SINGH YOGESH KUMAR. (2008). FUNDAMENTAL OF RESEARCH METHODOLOGY AND STATISTICS. NEW AGE PUBLICATION.
Čikaški stil citiranja (17. izdanje)SINGH YOGESH KUMAR. FUNDAMENTAL OF RESEARCH METHODOLOGY AND STATISTICS. NEW DELHI: NEW AGE PUBLICATION, 2008.
MLA način citiranja (9. izdanje)SINGH YOGESH KUMAR. FUNDAMENTAL OF RESEARCH METHODOLOGY AND STATISTICS. NEW AGE PUBLICATION, 2008.
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