Olve Goran Nils. (2006). Balanced Scorecard. Wiley india Publishing.
Lua i Stíl Chicago (17ú heag.)Olve Goran Nils. Balanced Scorecard. New Dehli ,India: Wiley india Publishing, 2006.
Lua MLA (9ú heag.)Olve Goran Nils. Balanced Scorecard. Wiley india Publishing, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.