鄭 吉. 《易》象新議: Reexamining “Xiang” (Symbolic Meaning) of the Zhouyi. 人文中國學報, [S. l.], v. 22, p. 171–202, 2016. DOI: 10.24112/sinohumanitas.222125. Disponível em: https://ejournals.lib.hkbu.edu.hk/index.php/sinohumanitas/article/view/2125. Acesso em: 6 may. 2024.