1.		Le marché européen du tourisme des jeunes / Stephen Wheatcroft et John Seekings Autor: Wheatcroft, Stephen Data Publicação: [1995] Coautor: Seekings, John Co col. autor sec.: ETC
2.		The national and regional structures of official tourist organisations in european countries / by Robert Hollier for the European Travel Commission Autor: Hollier, Robert Data Publicação: 1995 Co col. autor sec.: ETC