1.
, . Primary greatness. New-York [ect.]: Simon & Schuster Paperbacks; 2024.
et . Primary greatness. New-York [ect.] : Simon & Schuster Paperbacks, 4 mai 2024. ISBN 978-1-5011-0658-3
Covey Stephen R. & Covey Sean. (2016). Primary greatness: The 12 levers of success. Simon & Schuster Paperbacks.
Style de citation MLA (8e éd.)Covey Stephen R. et Covey Sean. Primary Greatness: The 12 Levers of Success. Simon & Schuster Paperbacks, 2016.
Attention : ces citations peuvent ne pas être correctes à 100%.