Não informado. (1971). Quality Management and Engineering. Hitchcock Publishing.
Chicago-referens (17:e uppl.)Não informado. Quality Management and Engineering. Wheaton, Ill: Hitchcock Publishing, 1971.
MLA-referens (8:e uppl.)Não informado. Quality Management and Engineering. Hitchcock Publishing, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.