Drucker, P. (2026, May 19). Peter Drucker quote. Quotesia. Retrieved from https://quotesia.com/peter-drucker-quote/574066
Drucker, Peter. “Peter Drucker quote”. Quotesia. 19 May. 2026: https://quotesia.com/peter-drucker-quote/574066.
Drucker, P. (2026). Quotesia [Online]. Available at: https://quotesia.com/peter-drucker-quote/574066 (Accessed: May 19 2026).
Drucker, Peter. “Peter Drucker quote” Quotesia. https://quotesia.com/peter-drucker-quote/574066 (accessed May 19, 2026).
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