Bailey, C. (2019). Hyperfocus: How to work less to achieve more. Pan.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBailey, Chris. Hyperfocus: How to Work Less to Achieve More. London: Pan, 2019.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBailey, Chris. Hyperfocus: How to Work Less to Achieve More. Pan, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.