Papinot, E., author
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Buku Referensi
Hirsch, Eric Donald, Jr., author
Houghton Miffiln, 2002
Buku Referensi
The Japan Foundation, 1976
Buku Teks
Yoshino, Kosaku, author
Routledge , 1992
Buku Teks
Imahashi, Riko, 1964-, author
International House of Japan, 2016
Buku Teks