Tracy, B. (2007). Eat that frog!: 21 great ways to stop procrastinating and get more done in less time.
Style de citation Chicago (17e éd.)Tracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. 2007.
Style de citation MLA (8e éd.)Tracy, Brian. Eat That Frog!: 21 Great Ways to Stop Procrastinating and Get More Done in Less Time. 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.