Hawthorne, Julian, author
P.F. Collier & Son, 1975
Buku Teks
Osaka University,
Majalah, Jurnal, Buletin
Osaka : Graduate School of Human Sciences Osaka University
Majalah, Jurnal, Buletin
Cronin, Jeremiah A., author
Addison-Wesley, 1967
Buku Teks
MacIntyre, Alasdair, author
Rontledge , 1998
Buku Teks