Diehl, D. (2003). How did they manage: Leadership secrets of history. Penguin book.
シカゴスタイル引用形Diehl, Daniel. How Did They Manage: Leadership Secrets of History. New Delhi: Penguin book, 2003.
MLA引用形式Diehl, Daniel. How Did They Manage: Leadership Secrets of History. Penguin book, 2003.
警告: この引用は必ずしも正確ではありません.