sack, K., & linsel, h. (1966). planning of technical progress in industry: Planning of introducing new technique into production. the institute of national planning.
Chicago-referens (17:e uppl.)sack, K., och hermann linsel. Planning of Technical Progress in Industry: Planning of Introducing New Technique into Production. cairo: the institute of national planning, 1966.
MLA-referens (9:e uppl.)sack, K., och hermann linsel. Planning of Technical Progress in Industry: Planning of Introducing New Technique into Production. the institute of national planning, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.