KOTHARI, C. (1978). Quantitative techniques. Vikas Pub..
Chicago Style (17th ed.) ZitazioaKOTHARI, C.R. Quantitative Techniques. New Delhi: Vikas Pub., 1978.
MLA (9th ed.) ZitazioaKOTHARI, C.R. Quantitative Techniques. Vikas Pub., 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.