(1975). A Study of the evolution of concentration in the mechanical engineering sector for the United Kingdom. Luxembourg: Commission of the European Communities.
Παραπομπή Chicago StyleA Study of the Evolution of Concentration in the Mechanical Engineering Sector for the United Kingdom. Luxembourg: Commission of the European Communities, 1975.
Παραπομπή MLAA Study of the Evolution of Concentration in the Mechanical Engineering Sector for the United Kingdom. Luxembourg: Commission of the European Communities, 1975.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.