Beaton, Charles R., author
CRC Press, 2012
Buku Teks
Maser, Chris, author
St. Lucie Press, 1994
Buku Teks
Maurice, S. Charles, author
McGraw-Hill, 2002
Buku Teks
Williamson, John
New York University Press, 1991
Buku Teks
Williamson, John
Harvester Wheatsheaf, 1991
Buku Teks