Shih, Hsiang-lin (2013). Knechtges, David R.; Chang, Taiping, red. [[1] fra Google BooksAncient and Early Medieval Chinese Literature (vol. 2): A Reference Guide, Part Two Handbook of Oriental Studies. Section 4 China] Sjekk |url=-verdien (hjelp). BRILL. s. 814–830. ISBN978-90-04-20164-4.