Parmenter, D. (2010). Key performance indicators: Developing, implementing, and using winning KPIs. John Wiley & Sons.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रParmenter, David. Key Performance Indicators: Developing, Implementing, and Using Winning KPIs. Hoboken, NJ: John Wiley & Sons, 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्रParmenter, David. Key Performance Indicators: Developing, Implementing, and Using Winning KPIs. John Wiley & Sons, 2010.
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