Gaya APA

Parmenter, D. (2010). Key performance indicators : developing, implementing and using winning KPIs (2nd ed.). Hoboken, New Jersey: Wiley Publishing.

Gaya MLA

Parmenter, David. "Key performance indicators : developing, implementing and using winning KPIs". 2nd ed. Hoboken, New Jersey: Wiley Publishing, 2010. Buku/Printed Material.