Gates, B., & Hemingway, C. (1999). Business @ the speed of thought: Succeeding in the digital economy. Penguin.
Citazione stile Chigago Style (17a edizione)Gates, Bill, e Collins Hemingway. Business @ the Speed of Thought: Succeeding in the Digital Economy. London: Penguin, 1999.
Citatione MLA (8a ed.)Gates, Bill, e Collins Hemingway. Business @ the Speed of Thought: Succeeding in the Digital Economy. Penguin, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.