Gaya APA

Niven, P, R. (2002). BALANCED SCORECARD STEP-BY-STEP: Maximizing Performance and Maintaining Results . New York: John Wiley & Sons.

Gaya MLA

Niven, Paul, R.. "BALANCED SCORECARD STEP-BY-STEP: Maximizing Performance and Maintaining Results". New York: John Wiley & Sons, 2002. Text.