APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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