Jaspers, Karl,
Routledge and Kegan Paul, 1953
Buku Teks
Suzuki, Daisetz Teitaro, 1870-1966, author
Probsthain, 1914
Buku Teks
Doan, Tran Van
The council for research in values and philosophy , 2000
Buku Teks
Zhang, Weiwen, author
China Renmin University Press, 2015
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Yang, Zebo
Guizhou Renmin Chubanshe, 2002
Buku Teks