Which of the American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA) spoke well about  "The 21 Irrefutable Laws of Leadership"?
The 21 Irrefutable Laws of Leadership:  Professional basketball player Harrison Barnes read and spoke positively of the book. Harrison Barnes: Harrison Bryce Jordan Barnes (born May 30, 1992) is an American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA).
Harrison Barnes