Gellhorn, Walter, author
Macmillan, 1961
Buku Teks
Schwartz, Bernard, author
McGraw-Hill, 1974
Buku Teks
Bockrath, Joseph T.
McGraw-Hill, 1977
Buku Teks
by Thomas W. Dunfee [and others]
McGraw-Hill, 1996
Buku Teks
West Publishing Company, 1996
Buku Teks