Não informado. (1972). Electric Utility Generation Planbook. McGraw-Hill Publishing.
Chicago-referens (17:e uppl.)Não informado. Electric Utility Generation Planbook. New York: McGraw-Hill Publishing, 1972.
MLA-referens (8:e uppl.)Não informado. Electric Utility Generation Planbook. McGraw-Hill Publishing, 1972.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.