APA
Pillai R. S. N., Bagavathi V., . (1999). Statistics : theory and practice. New Delhi: S. Chand and co.
Chicago
Pillai R S N, Bagavathi V, . 1999. Statistics : theory and practice. New Delhi: S. Chand and co.
Harvard
Pillai R. S. N., Bagavathi V., . (1999). Statistics : theory and practice. New Delhi: S. Chand and co.
MLA
Pillai R S N, Bagavathi V, . Statistics : theory and practice. New Delhi: S. Chand and co. 1999.
