Watt, Homer A.
Barnes & Noble, 1957
Buku Referensi
edited by Joseph T. Shipley
Littlefield, Adams, 1960
Buku Referensi
Oxford University Press, 1996
Buku Referensi
Hisamatsu, Senichi
Kodansha International, 1978
Buku Referensi
Hisamatsu, Senichi
Kodansha International, 1976
Buku Referensi