Drucker, P. (2026, January 15). Peter Drucker quote. Quotesia. Retrieved from https://quotesia.com/peter-drucker-quote/574090
Drucker, Peter. “Peter Drucker quote”. Quotesia. 15 Jan. 2026: https://quotesia.com/peter-drucker-quote/574090.
Drucker, P. (2026). Quotesia [Online]. Available at: https://quotesia.com/peter-drucker-quote/574090 (Accessed: January 15 2026).
Drucker, Peter. “Peter Drucker quote” Quotesia. https://quotesia.com/peter-drucker-quote/574090 (accessed January 15, 2026).
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