Banno, Junji, author
Routledge, 1995
Buku Teks
Black, C. E.
Princeton University press, 1943
Buku Teks
Pritchett, C. Herman, author
McGraw-Hill, 1963
Buku Teks
Pritchett, C. Herman, author
McGraw-Hill, 1981
Buku Teks
Dean, Meryll, author
Cavendish Publishing Limited, 2002
Buku Teks