Burroughs, Jake. “A Comprehensive Introduction to Sun Family Taiji Boxing: Theory and Applications”. Revista de Artes Marciales Asiáticas 4, no. 1 (July 16, 2012): 80–93. Accessed December 7, 2022. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/228.