Gaya APA

Schmeisser, W. et al (2008). Berliner Balanced Scorecard : Employee Perspective (1st Edition). : www.boobkboon.com.

Gaya MLA

Schmeisser, Willhelm. et al. "Berliner Balanced Scorecard : Employee Perspective". 1st Edition : www.boobkboon.com, 2008. Text.