Não informado. (1976). Engineering Costs and Production Economics. Elsevier Science Publishers.
Chicago-Zitierstil (17. Ausg.)Não informado. Engineering Costs and Production Economics. Amsterdam: Elsevier Science Publishers, 1976.
MLA-Zitierstil (8. Ausg.)Não informado. Engineering Costs and Production Economics. Elsevier Science Publishers, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.