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.
Чикаго стиль цитування (17-те видання)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.
Стиль цитування MLA (9-ме видання)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.
Попередження: стилі цитування не завжди правильні на всі 100%.