Berwick, Stephan. “Qingping Straight Sword: The Last Remaining Chinese Sword System?”. Revista de Artes Marciales Asiáticas 4, no. 2 (July 16, 2012): 54–73. Accessed April 24, 2024. https://revpubli.unileon.es/ojs/index.php/artesmarciales/article/view/213.