Tohutoro APA (7th ed.)
Nag, N., & Nag, S. (2016). Statistics: BBA 2nd semester (3rd ed.). Kalyani Pub.
Tohutoru Kātū Chicago (17th ed.)
Nag, N.K, me S.K Nag. Statistics: BBA 2nd Semester. 3rd ed. Kolkata: Kalyani Pub, 2016.
Tohutoro MLA (9th ed.)
Nag, N.K, me S.K Nag. Statistics: BBA 2nd Semester. 3rd ed. Kalyani Pub, 2016.
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