Iowa state highway maintenance study: Time utilization, productivity, methods, and management ; 1959 - 1960 ; a report to the Iowa State Highway Commission and the US Bureau of Public Roads. Highway Research Board.
Chicago-Zitierstil (17. Ausg.)Iowa State Highway Maintenance Study: Time Utilization, Productivity, Methods, and Management ; 1959 - 1960 ; a Report to the Iowa State Highway Commission and the US Bureau of Public Roads. Washington, DC: Highway Research Board.
MLA-Zitierstil (9. Ausg.)Iowa State Highway Maintenance Study: Time Utilization, Productivity, Methods, and Management ; 1959 - 1960 ; a Report to the Iowa State Highway Commission and the US Bureau of Public Roads. Highway Research Board.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.