Jankowicz, A. D. (1997). Business research projects (2nd ed.). International Thomson Business press.
Chicago Style aipamenaJankowicz, A. D. Business Research Projects. 2nd ed. London: International Thomson Business press, 1997.
MLA aipamenaJankowicz, A. D. Business Research Projects. 2nd ed. International Thomson Business press, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.