John Wiley & Sons, 2009
eBooks
Rock, Paul, author
Clarendon Press , 1986
Buku Teks
Wang, Lv, author
China Renmin University Press, 2015
eBooks
Pieper, Josef, author
Pantheon Books, 1955
Buku Teks
edited by Milton Fisk
Humanities Press, 1993
Buku Teks