KOTHARI, . C. . R. (1984). Quantitative techniques. : VIKAS Publishers.
Chicago Style aipamenaKOTHARI, C. R. Quantitative Techniques. : VIKAS Publishers, 1984.
MLA aipamenaKOTHARI, C. R. Quantitative Techniques. : VIKAS Publishers, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.