Ferriss, T. (2016). Tools of titans: The tactics, routines, and habits of billionaires, icons, and world-class performers. Houghton Mifflin Harcourt.
Chicago-Zitierstil (17. Ausg.)Ferriss, Timothy. Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-class Performers. Boston, New York: Houghton Mifflin Harcourt, 2016.
MLA-Zitierstil (9. Ausg.)Ferriss, Timothy. Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-class Performers. Houghton Mifflin Harcourt, 2016.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.