Scott, W. Richard, 1932-, author
Prentice-Hall, 1987
Buku Teks
Morrison, Don A., author
Local Government Institute, 2002
Multimedia
O`Brein, James M., author
[publisher not identified], [date of publication not identified]
Artikel Jurnal
edited by Julie Dugdale
Springer-Verlag, 2012
eBooks
Edited by Graeme Muirhead
Association Publishing, 1994
Buku Teks