APA (7th ed.) Zitazioa
Verma, A. (2007). Business statistics (3rd ed.). Asian books pvt. ltd.
Chicago Style (17th ed.) Zitazioa
Verma, A.P. Business Statistics. 3rd ed. New Delhi: Asian books pvt. ltd, 2007.
MLA (9th ed.) Zitazioa
Verma, A.P. Business Statistics. 3rd ed. Asian books pvt. ltd, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.