SEMLER RICARDO. (2004). SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. ARROW BOOKS.
Citazione stile Chigago Style (17a edizione)SEMLER RICARDO. SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. LONDON: ARROW BOOKS, 2004.
Citatione MLA (9a ed.)SEMLER RICARDO. SEVEN DAY WEEKEND: BETTER WAY TO WORK IN THE 21ST CENTURY. ARROW BOOKS, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.