NIVEN PAUL R. (2002). BALANCED SCORECARD STEP BY STEP. JOHN WILEY AND SONS.
Chicago Style aipamenaNIVEN PAUL R. BALANCED SCORECARD STEP BY STEP. NEW YORK: JOHN WILEY AND SONS, 2002.
MLA aipamenaNIVEN PAUL R. BALANCED SCORECARD STEP BY STEP. JOHN WILEY AND SONS, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.