B.M. Aggarwal. (2003). Business Statistics. Sultan Chand.
Chicago Style aipamenaB.M. Aggarwal. Business Statistics. New Delhi: Sultan Chand, 2003.
MLA aipamenaB.M. Aggarwal. Business Statistics. Sultan Chand, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.