Não informado. (1960). Management Quarterly. National Rural Electric Cooperative Association.
Chicago-referens (17:e uppl.)Não informado. Management Quarterly. Washington: National Rural Electric Cooperative Association, 1960.
MLA-referens (8:e uppl.)Não informado. Management Quarterly. National Rural Electric Cooperative Association, 1960.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.