Jahn, H. (2025, October 31). Helmut Jahn quote. Quotesia. Retrieved from https://quotesia.com/helmut-jahn-quote/275927
Jahn, Helmut. “Helmut Jahn quote”. Quotesia. 31 Oct. 2025: https://quotesia.com/helmut-jahn-quote/275927.
Jahn, H. (2025). Quotesia [Online]. Available at: https://quotesia.com/helmut-jahn-quote/275927 (Accessed: October 31 2025).
Jahn, Helmut. “Helmut Jahn quote” Quotesia. https://quotesia.com/helmut-jahn-quote/275927 (accessed October 31, 2025).
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