Walsh, Anthony, 1941-, author
Routledge, 2014
Buku Teks
Williams III, Frank P., author
Pearson , 2014
Buku Teks
McLaughlin, Eugene, author
Sage, 2013
Buku Teks
Dan S. Felsenthal, Moshe Machover, editors
[Springer, Springer], 2012
eBooks
Hjelle, Larry A., author
McGraw-Hill, 1981
Buku Teks