HOWARD STEVEN. (1998). CORPORATE IMAGE MANAGEMENT. BUTTERWORTH-HEINEMANN.
Chicago Style aipamenaHOWARD STEVEN. CORPORATE IMAGE MANAGEMENT. SINGAPORE: BUTTERWORTH-HEINEMANN, 1998.
MLA aipamenaHOWARD STEVEN. CORPORATE IMAGE MANAGEMENT. BUTTERWORTH-HEINEMANN, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.