Ram Ahuja. (2002). Research methods.
Chicago Style aipamenaRam Ahuja. Research Methods. Rawat Publication, Jaipur, 2002.
MLA aipamenaRam Ahuja. Research Methods. 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Ram Ahuja. (2002). Research methods.
Chicago Style aipamenaRam Ahuja. Research Methods. Rawat Publication, Jaipur, 2002.
MLA aipamenaRam Ahuja. Research Methods. 2002.