Dunlop, John B, author
Princeton University Press, 1983
Buku Teks
Yoshino, Kosaku, author
Routledge , 1992
Buku Teks
Artikel Jurnal
Andronikov, Irakly
Foreign Languages Pub. House, 1957
Buku Teks
Spengler, Joseph J. (Joseph John), 1902-1991, author
Duke Univrsity Press, 1979
Buku Teks