Children at work a handbook on child labour for public service workers (1998)
Adresse: http://www.world-psi.org/psi.nsf/6e53a54ebe88ae01c12568270037cc33/851A9783BD80FB29C1256866007DD352/$FILE/en-clh.pdf. - Electronic ed.: [S.l., ca. 1998]. - Speicherung: 09.02.2000