Hargreaves, G. (1998). Stress management: The essential guide to thinking and working smarter. Marshall Pub.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHargreaves, Gerard. Stress Management: The Essential Guide to Thinking and Working Smarter. London: Marshall Pub, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHargreaves, Gerard. Stress Management: The Essential Guide to Thinking and Working Smarter. Marshall Pub, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.