edited by C. Stewart Sheppard, Donald C. Carroll
John Wiley & Sons, 1980
Buku Teks
Carrison, Dan, author
AMACOM, 2005
Buku Teks
Buchanan, Andrew Hamilton, author
John Wiley & Sons, 2001
Buku Teks
Baldwin, James, 1924-1987, author
Dell Publishing, 1963
Buku Teks
the International City Managers’ Association, 1936
Buku Teks