(2016). The 5 Choices: The Path to Extraordinary Productivity - Book Summary. Business Book Summaries.
Chicago-Zitierstil (17. Ausg.)The 5 Choices: The Path to Extraordinary Productivity - Book Summary. [Place of publication not identified]: Business Book Summaries, 2016.
MLA-Zitierstil (9. Ausg.)The 5 Choices: The Path to Extraordinary Productivity - Book Summary. Business Book Summaries, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.