MacIntyre, Alasdair, author
Rontledge , 1998
Buku Teks
Robinson, Michael Edison, author
University Hawaii Press, 2007
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1961
Buku Teks
Black, C.E., author
Alfred A. Knopf, 1966
Buku Teks
Fung, Yu-lan
The Free Press, 1976
Buku Teks