Gupta,M. (2013). Research Methodology. PHI.
Chicago Style aipamenaGupta,M. Research Methodology. Delhi: PHI, 2013.
MLA aipamenaGupta,M. Research Methodology. PHI, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Gupta,M. (2013). Research Methodology. PHI.
Chicago Style aipamenaGupta,M. Research Methodology. Delhi: PHI, 2013.
MLA aipamenaGupta,M. Research Methodology. PHI, 2013.