Sekaran,Uma & Bougie, R. (2014). Research Methods for Business (5 th.). John Wiley.
Chicago Style aipamenaSekaran,Uma & Bougie, Roger. Research Methods for Business. 5 th. Delhi: John Wiley, 2014.
MLA aipamenaSekaran,Uma & Bougie, Roger. Research Methods for Business. 5 th. John Wiley, 2014.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.