Odakane, Taro, author
Tokyo, Kodansha International
Buku Referensi
Fayetteville : University of Arkansas
Majalah, Jurnal, Buletin
Artikel Jurnal
Strunk Jr., William
Macmillan Publishing Co., 1979
Buku Teks
Epstein, E.L., author
Methuen, 1978
Buku Teks