Sink, D. S. (1985). Productivity management: Planning, measurement and evaluation, control, and improvement. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSink, D. Scott. Productivity Management: Planning, Measurement and Evaluation, Control, and Improvement. New York: Wiley, 1985.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSink, D. Scott. Productivity Management: Planning, Measurement and Evaluation, Control, and Improvement. Wiley, 1985.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.