Style de citation APA (7e éd.)

Goldfayn, A. L. (2018). Selling boldly: Applying the new science of positive psychology to dramatically increase your confidence, happiness, and sales. John Wiley & Sons, Inc..

Style de citation Chicago (17e éd.)

Goldfayn, Alex L. Selling Boldly: Applying the New Science of Positive Psychology to Dramatically Increase Your Confidence, Happiness, and Sales. Hoboken, New Jersey: John Wiley & Sons, Inc., 2018.

Style de citation MLA (8e éd.)

Goldfayn, Alex L. Selling Boldly: Applying the New Science of Positive Psychology to Dramatically Increase Your Confidence, Happiness, and Sales. John Wiley & Sons, Inc., 2018.