Style de citation APA (7e éd.)

Roberto, M. A. (2009). Know what you don't know: How great leaders prevent problems before they happen. Wharton School Pub..

Style de citation Chicago (17e éd.)

Roberto, Michael A. Know What You Don't Know: How Great Leaders Prevent Problems Before They Happen. Upper Saddle River, N.J.: Wharton School Pub., 2009.

Style de citation MLA (8e éd.)

Roberto, Michael A. Know What You Don't Know: How Great Leaders Prevent Problems Before They Happen. Wharton School Pub., 2009.