Drucker, P. (2026, January 17). Peter Drucker quote. Quotesia. Retrieved from https://quotesia.com/peter-drucker-quote/574083
Drucker, Peter. “Peter Drucker quote”. Quotesia. 17 Jan. 2026: https://quotesia.com/peter-drucker-quote/574083.
Drucker, P. (2026). Quotesia [Online]. Available at: https://quotesia.com/peter-drucker-quote/574083 (Accessed: January 17 2026).
Drucker, Peter. “Peter Drucker quote” Quotesia. https://quotesia.com/peter-drucker-quote/574083 (accessed January 17, 2026).
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