Powell, Craig, author
South Head Press, 1968
Buku Teks
Powell, Craig, author
South Head Press, 1972
Buku Teks
Kim, Ji Hyon, author
Yoossi elaienssi, 2005
Buku Teks
Timmerman, Kelsey, author
Wiley, 2014
Buku Teks
Hugh L.Evans M.A.
Sweet and Maxwell, 1997
Buku Teks