APA aipamena

Diehl, D. (2003). How did they manage: Leadership secrets of history. Penguin book.

Chicago Style aipamena

Diehl, Daniel. How Did They Manage: Leadership Secrets of History. New Delhi: Penguin book, 2003.

MLA aipamena

Diehl, Daniel. How Did They Manage: Leadership Secrets of History. Penguin book, 2003.