Usman Chatib Warsa, author
2006
Artikel Jurnal
Harvard University, 1971
Buku Teks
Singh, Khuswant, author
Oxford University Press, 2006
Buku Teks
Okinawa :The Faculty of Letters Kobe University
Majalah, Jurnal, Buletin
Japan : Tentri University Sankokan Museum
Majalah, Jurnal, Buletin