@book{
title = {Profils professionnelles },
author = {},
editor = {Buck, Gerhard},
editor = {Centro europeo per lo sviluppo della formazione professionale},
editor = {Cresti, Federico},
editor = {Paulet, J.L.},
year = {1992},
edition = {1.re ed},
address = {Luxembourg },
publisher = {Office de publications officielles des Communautés européennes},
}