Sinha Shivesh. Zenith Limited An Analysis. MBA CORE ,2005.
Cita Chicago (17th ed.)Sinha Shivesh. Zenith Limited An Analysis. : MBA CORE ,2005.
Cita MLA (9th ed.)Sinha Shivesh. Zenith Limited An Analysis. MBA CORE ,2005.
Atenció: Aquestes cites poden no estar 100% correctes.