1.		The european car hire industry / by Peter D. Smith Autor: Smith, Peter D. Data Publicação: 1991 Co col. autor sec.: EIU COTA(S): 4958
2.		Price competitiveness of holiday destinations : costs for european travellers / by Anthony Edwards Autor: Edwards, Anthony Data Publicação: 1993 Co col. autor sec.: EIU COTA(S): 5442.1; 5442.2