Ferriss, T. (2008). The 4-hour workweek: Escape 9-5, live anywhere, and join the new rich. Vermilion.
Citação norma ChicagoFerriss, Timothy. The 4-hour Workweek: Escape 9-5, Live Anywhere, and Join the New Rich. London: Vermilion, 2008.
Citação norma MLAFerriss, Timothy. The 4-hour Workweek: Escape 9-5, Live Anywhere, and Join the New Rich. Vermilion, 2008.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.