edited by Robert M. Maclean
[Publisher not identified], [Date of publication not identified]
Buku Teks
edited by Brian Harvey, Henk van Luijk and Horst Steinmann
Prentice-Hall, 1994
Buku Teks
Veech, Annette M.
Prentice-Hall, 2002
Buku Teks
Pelta, David Alejandro
Springer, 2011
eBooks
edited by Farok J. Contractor and Peter Lorange
Lexington Books, 1988
Buku Teks