Nolting, O. F., & Arnold, D. S. (1961). Municipal year book 1961: The authoritative resume of activities and statistical data of American cities. Chicago: International City Managers Association.
Παραπομπή Chicago StyleNolting, Orin F., and David S. Arnold. Municipal Year Book 1961: The Authoritative Resume of Activities and Statistical Data of American Cities. Chicago: International City Managers Association, 1961.
Παραπομπή MLANolting, Orin F., and David S. Arnold. Municipal Year Book 1961: The Authoritative Resume of Activities and Statistical Data of American Cities. Chicago: International City Managers Association, 1961.
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