Sinek, S. (2017). Start with why: How great leaders inspire everyone to take action (Unabridged.). Penguin Audio.
Style de citation Chicago (17e éd.)Sinek, Simon. Start with Why: How Great Leaders Inspire Everyone to Take Action. Unabridged. New York: Penguin Audio, 2017.
Style de citation MLA (8e éd.)Sinek, Simon. Start with Why: How Great Leaders Inspire Everyone to Take Action. Unabridged. Penguin Audio, 2017.
Attention : ces citations peuvent ne pas être correctes à 100%.