Kumar,V. (2015). Marketing Research (NA.). Sage.
Chicago Style aipamenaKumar,V. Marketing Research. NA. New Delhi: Sage, 2015.
MLA aipamenaKumar,V. Marketing Research. NA. Sage, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Kumar,V. (2015). Marketing Research (NA.). Sage.
Chicago Style aipamenaKumar,V. Marketing Research. NA. New Delhi: Sage, 2015.
MLA aipamenaKumar,V. Marketing Research. NA. Sage, 2015.