Dyfyniad APA

Friedman, T. L. (2017). Thank you for being late: An optimist's guide to thriving in the age of accelerations (First edition.). Penguin Books.

Dyfyniad Arddull Chicago

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.

Dyfyniad MLA

Friedman, Thomas L. Thank You for Being Late: An Optimist's Guide to Thriving in the Age of Accelerations. First edition. Penguin Books, 2017.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.