Perry, J., & Holsopple, B. (2012). The art of procrastination: A guide to effective dawdling, lollygagging, and postponing, or, getting things done by putting them off (Unabridged.). HighBridge Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPerry, John, और Brian Holsopple. The Art of Procrastination: A Guide to Effective Dawdling, Lollygagging, and Postponing, or, Getting Things Done by Putting Them off. Unabridged. Prince Frederick: HighBridge Audio, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPerry, John, और Brian Holsopple. The Art of Procrastination: A Guide to Effective Dawdling, Lollygagging, and Postponing, or, Getting Things Done by Putting Them off. Unabridged. HighBridge Audio, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.