Cita APA (7th ed.)
Nag, N., & Nag, S. (2017). Statistics: BBA-1st semester (3rd rev ed.). Kalyani Publisher.
Cita Chicago (17th ed.)
Nag, N.K, i S.K Nag. Statistics: BBA-1st Semester. 3rd rev ed. Kolkata: Kalyani Publisher, 2017.
Cita MLA (9th ed.)
Nag, N.K, i S.K Nag. Statistics: BBA-1st Semester. 3rd rev ed. Kalyani Publisher, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.