Thornborrow, Joanna
New York Routledge , 1998
Buku Teks
Burkowski, Forbes J., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Jos, Mullie, author
The Bureau of Engraving and Printing, 1932
Buku Teks
edited by Kazushi Ohkawa and Miyohei Shinohara, with Larry Meissner
Yale University Press, 1979.
Buku Teks
Tokyo : Kenkyusha, [date of publication not identified]
Buku Referensi