APA (7th ed.) Zitazioa
Kothari, C. (2004). Research methodology: Methods [and] techniques (Rev. 2nd ed.). New Age International Publishers.
Chicago Style (17th ed.) Zitazioa
Kothari, C.R. Research Methodology: Methods [and] Techniques. Rev. 2nd ed. New Delhi: New Age International Publishers, 2004.
MLA (9th ed.) Zitazioa
Kothari, C.R. Research Methodology: Methods [and] Techniques. Rev. 2nd ed. New Age International Publishers, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.