Anderson, James E., author
Harper and Row, 1984
Buku Teks
Marcus, George H.
Prestel, 1995
Buku Teks
James, Clifford L.
Prentice-Hall, 1951
Buku Teks
Rodgers, Susan, author
KITLV Press, 2005
Buku Teks
McCrimmon, James M.
Houghton Miffiln, 1963
Buku Teks