1. Wikipedia (2019) Peter Ferdinand Drucker. Edited by Wikipedia.
https://de.wikipedia.org/wiki/Peter_Drucker
. Updated on 4/23/2019. Zugegriffen: 6. Apr. 2019
2. Cave A (2017) Culture eats strategy for breakfast. So what's for lunch? Edited by Forbes.com.
https://www.forbes.com/sites/andrewcave/2017/11/09/culture-eats-strategy-for-breakfast-so-whats-for-lunch/
. Zugegriffen: 25. Mai 2019
3. Wikipedia (2019) Frederick Winslow Taylor. Edited by Wikipedia. Updated on 3/16/2019, checked on 6/4/2019
4. Wikipedia (2019) Fredmund Malik. Edited by Wikipedia.
https://de.wikipedia.org/wiki/Fredmund_Malik
. Updated on 4/12/2019. Zugegriffen: 6. Apr. 2019
5. Wikipedia (2019) Gary P. Hamel. Edited by Wikipedia.
https://en.wikipedia.org/wiki/Gary_Hamel
. Updated on 1/30/2019. Zugegriffen: 6. Apr. 2019