Stewart, Stephen M.
Butterworth, 1983
Buku Teks
Brown, Ralph S., author
Foundation Press, 2005
Buku Teks
Gorman, Robert A., 1937-, author
Michie Co., 1993
Buku Teks
Saxena, Rajan, author
Tata McGraw-Hill, 1984
Buku Teks
Goldstein, Paul, author
Foundation Press, 1995
Buku Teks