MacCorkle, Stuart A.
D.C. Heath and Company, 1948
Buku Teks
Bromage, Arthur W.
Appleton-Century-Crofts,Inc., 1950
Buku Teks
The International City Manager's Association
[publisher not identified], 1962
Buku Teks
The International City Manager's Association, 1950
Buku Teks
The International City Manager's Association, 1947
Buku Teks