Sanford E. DeVoe and Jeffrey Pfeffer, «Time Is Tight: How Higher Economic Value of Time Increases Feeling of Time Pressure», Journal of Applied Psychology 96(2011): 655–676; Sanford E. DeVoe and Jeffrey Pfeffer, «When Time Is Money: The Effect of Hourly Payment on the Evaluation of Time», Organizational Behavior and Human Decision Processes 104(2007): 1-13. – Прим. авт.
