McHardy, A, H Pollard, and G Bayley. “A Comparison of the Modern and Classic Golf Swing: A clinician\’s Perspective”. South African Journal of Sports Medicine 18, no. 3 (February 5, 2006): 80–91. Accessed April 10, 2025. https://journals.assaf.org.za/index.php/sajsm/article/view/239.