Simpson, Laurence P., author
West Publishing, 1954
Buku Teks
Bernacchi, Richard L., author
Brown and Company, 1974
Buku Teks
Dawson, John Philip, author
Foundation Press, 1969
Buku Teks
Bockrath, Joseph T., author
McGraw-Hill, 1995
Buku Teks
Bockrath, Joseph T., author
McGraw-Hill, 2011
Buku Teks