Brahm, Laurence (2024). 九龍門: 尋找功夫 [Kowloon Gate: In Search of Kung Fu] (in Chinese). Translated by Chuek, Yeuk-pong 陳躍鵬. Hong Kong: Hong Kong Open Page Publishing Company 香港中和出版有限公司. p. 149. ISBN978-988-8869-619. Retrieved 2024-12-01 – via Google Books.