एपीए उद्धरण

(1975). A Study of the evolution of concentration in the mechanical engineering sector for the United Kingdom. Luxembourg: Commission of the European Communities.

शिकागो स्टाइल उद्धरण

A Study of the Evolution of Concentration in the Mechanical Engineering Sector for the United Kingdom. Luxembourg: Commission of the European Communities, 1975.

एमएलए उद्धरण

A Study of the Evolution of Concentration in the Mechanical Engineering Sector for the United Kingdom. Luxembourg: Commission of the European Communities, 1975.