Cita APA (7th ed.)
Nag, N., & Nag, S. (2009). Statistics: BBA 1st semester (2nd ed. rev.). Kalyani Pub.
Cita Chicago (17th ed.)
Nag, N.K, i S.K Nag. Statistics: BBA 1st Semester. 2nd ed. rev. Kolkata: Kalyani Pub, 2009.
Cita MLA (9th ed.)
Nag, N.K, i S.K Nag. Statistics: BBA 1st Semester. 2nd ed. rev. Kalyani Pub, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.