Drucker, P. (2026, May 7). Peter Drucker quote. Quotesia. Retrieved from https://quotesia.com/peter-drucker-quote/574078
Drucker, Peter. “Peter Drucker quote”. Quotesia. 7 May. 2026: https://quotesia.com/peter-drucker-quote/574078.
Drucker, P. (2026). Quotesia [Online]. Available at: https://quotesia.com/peter-drucker-quote/574078 (Accessed: May 7 2026).
Drucker, Peter. “Peter Drucker quote” Quotesia. https://quotesia.com/peter-drucker-quote/574078 (accessed May 7, 2026).
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