Su, Shuyang, author
Dolphin Books, 2010
Buku Teks
Pojman, Louis P., author
Thomson Wadsworth, 2006
Buku Teks
Albert, Ethel M., author
American Book Company, 1953
Buku Teks
Barfield, Jesse T., author
South-Western College Publishing, 1998
Buku Teks
Casparis, J.G. (Johannes Gijsbertus) de, author
E.J. Brill, 1975
Buku Teks