Diehl, D. (2003). How did they manage: Leadership secrets of history. Penguin book.
Style de citation ChicagoDiehl, Daniel. How Did They Manage: Leadership Secrets of History. New Delhi: Penguin book, 2003.
Style de citation MLADiehl, Daniel. How Did They Manage: Leadership Secrets of History. Penguin book, 2003.
Attention : ces citations peuvent ne pas être correctes à 100%.