Tracy, B. (2017). Eat that frog!: 21 great ways to stop procrastinating and get more done in less time. Berrett-Koehler Publishers, Inc..
Dyfyniad Arddull ChicagoTracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. Oakland: Berrett-Koehler Publishers, Inc., 2017.
Dyfyniad MLATracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. Berrett-Koehler Publishers, Inc., 2017.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.