Selk, J. (2018). Executive toughness: The mental-training program to increase your leadership performance (Updated edition.). McGraw-Hill Education.
Style de citation Chicago (17e éd.)Selk, Jason. Executive Toughness: The Mental-training Program to Increase Your Leadership Performance. Updated edition. New York: McGraw-Hill Education, 2018.
Style de citation MLA (8e éd.)Selk, Jason. Executive Toughness: The Mental-training Program to Increase Your Leadership Performance. Updated edition. McGraw-Hill Education, 2018.
Attention : ces citations peuvent ne pas être correctes à 100%.