Tracy, B. (2017). Eat that frog!: 21 great ways to stop procrastinating and get more done in less time. Berrett-Koehler Publishers, Inc..
Citace podle Chicago (17th ed.)Tracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. Oakland: Berrett-Koehler Publishers, Inc., 2017.
Citace podle MLA (9th ed.)Tracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. Berrett-Koehler Publishers, Inc., 2017.
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