Agarwal, B. (1991). Basic statistics (2nd.). Wiley Eastern.
Chicago Style aipamenaAgarwal, B. Basic Statistics. 2nd. New delhi: Wiley Eastern, 1991.
MLA aipamenaAgarwal, B. Basic Statistics. 2nd. Wiley Eastern, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.