APA (7e ed.) Bronvermelding

Ferriss, T. The 4-hour work week: Escape the 9-5, live anywhere and join the new rich by timothy ferriss (First edition.). Crown Publishers.

Chicago (17e ed.) Bronvermelding

Ferriss, Timothy. The 4-hour Work Week: Escape the 9-5, Live Anywhere and Join the New Rich by Timothy Ferriss. First edition. New York: Crown Publishers.

MLA (9e ed.) Bronvermelding

Ferriss, Timothy. The 4-hour Work Week: Escape the 9-5, Live Anywhere and Join the New Rich by Timothy Ferriss. First edition. Crown Publishers.