五、英文期刊文章
Allinson，Robert E.，On the Question of the Relativism in the Chuang-tzu.Philosophy East and West，Vol.39，No.1（1989），pp.13-26.
Boltz，William G.，The Structure and Interpretation of “Chuang Tzu”：Two Notes on “Hsiao yao yu”，Bulletin of the School of Oriental and African Studies，University of London，Vol.43，No.3（1980），pp.532-543.