Trade unions and transnational projects a guide to managing European projects (2012)
Literaturverz. S. 253 - 257. - Electronic ed.: Brussels, 2012. - Speicherung: 18.09.2012. - Adresse: http://www.etui.org/content/download/5782/56455/file/TTUPO+manual+8th+edition+2012.pdf