Harvard Business Review. (2019). Focus. HBSP.
Chicago Style aipamenaHarvard Business Review. Focus. Boston, U.S: HBSP, 2019.
MLA aipamenaHarvard Business Review. Focus. HBSP, 2019.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Harvard Business Review. (2019). Focus. HBSP.
Chicago Style aipamenaHarvard Business Review. Focus. Boston, U.S: HBSP, 2019.
MLA aipamenaHarvard Business Review. Focus. HBSP, 2019.