Parmenter, D. (2015). Key performance indicators: Developing, implementing, and using winning KPIs (Third edition.). Wiley.
Chicago Style (17th ed.) ZitazioaParmenter, David. Key Performance Indicators: Developing, Implementing, and Using Winning KPIs. Third edition. Hoboken, New Jersey: Wiley, 2015.
MLA (9th ed.) ZitazioaParmenter, David. Key Performance Indicators: Developing, Implementing, and Using Winning KPIs. Third edition. Wiley, 2015.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.