Friedman, T. L. (2017). Thank you for being late: An optimist's guide to thriving in the age of accelerations (First edition.). Penguin Books.
Chicago-referens (17:e uppl.)Friedman, Thomas L. Thank You for Being Late: An Optimist's Guide to Thriving in the Age of Accelerations. First edition. London: Penguin Books, 2017.
MLA-referens (8:e uppl.)Friedman, Thomas L. Thank You for Being Late: An Optimist's Guide to Thriving in the Age of Accelerations. First edition. Penguin Books, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.