Hardy, J., & Andrisani, J. (2005). The plane truth for golfers: Breaking down the one-plane swing and the two-plane swing and finding the one that's right for you. New York: McGraw-Hill.

Hardy, Jim, and John Andrisani. The Plane Truth for Golfers: Breaking Down the One-plane Swing and the Two-plane Swing and Finding the One That's Right for You. New York: McGraw-Hill, 2005.

Hardy, Jim, and John Andrisani. The Plane Truth for Golfers: Breaking Down the One-plane Swing and the Two-plane Swing and Finding the One That's Right for You. New York: McGraw-Hill, 2005.