Gibson, William E., author
McGraw-Hill, 1971
Buku Teks
Smithin, John, author
Edward Elgar, 2003
Buku Teks
Walsh, Carl E., author
MIT Press, 2010
Buku Teks
Meyer, Paul A.
Richard D. Irwin, Inc., 1982
Buku Teks
edited by Kevin Dowd and Mervyn K. Lewis
Macmillan, 1992
Buku Teks