Wilensky, Robert, author
Addison-Wesley, 1983
Buku Teks
Groarke, Leo, author
Oxford University Press , 1997
Buku Teks
Chevallier, Arnaud, author
Oxford University Press, 2016
eBooks
Gendell, Julien, author
West Publisihing, 1993
Buku Teks
Kepner, Charles Higgins, 1922-, author
McGraw-Hill, 1965.
Buku Teks