Ferriss, T. (2012). The 4-hour workweek: Escape 9-5, live anywhere, and join the new rich (Expanded and updated, first revised edition.). Harmony Books.
Chicago-Zitierstil (17. Ausg.)Ferriss, Timothy. The 4-hour Workweek: Escape 9-5, Live Anywhere, and Join the New Rich. Expanded and updated, first revised edition. New York: Harmony Books, 2012.
MLA-Zitierstil (9. Ausg.)Ferriss, Timothy. The 4-hour Workweek: Escape 9-5, Live Anywhere, and Join the New Rich. Expanded and updated, first revised edition. Harmony Books, 2012.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.