(EN) Andre Levy, Jou p'u-tuan, in William H. Nienhauser, jr. (a cura di), The Indiana Companion to Traditional Chinese Literature, I, Bloomington, Indiana University Press, 1986, pp. 459-460.
Song, p. 34. (EN) Song Geng, The Fragile Scholar: Power and Masculinity in Chinese Culture, Hong Kong University Press, 2004, ISBN9789622096202.