Drucker, P. (2026, January 18). Peter Drucker quote. Quotesia. Retrieved from https://quotesia.com/peter-drucker-quote/574084
Drucker, Peter. “Peter Drucker quote”. Quotesia. 18 Jan. 2026: https://quotesia.com/peter-drucker-quote/574084.
Drucker, P. (2026). Quotesia [Online]. Available at: https://quotesia.com/peter-drucker-quote/574084 (Accessed: January 18 2026).
Drucker, Peter. “Peter Drucker quote” Quotesia. https://quotesia.com/peter-drucker-quote/574084 (accessed January 18, 2026).
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