1.		Estrategias del turismo metropolitano: el caso de Londres / Yhea Sinclair, Ann Clewer y Alan Pack Autor: Sinclair, Thea Coautor: ; Clewer, Ann Pack, Alan COTA(S): RE-319
2.		Tourism in Spain : critical issues / M. Barke, [et al.] Autor: Barke, Michael Data Publicação: 1996 Coautor: Towner, John Newton, Michael Walton, J.K. Smith, José Bote Gómez, V. Sinclair, Thea Williams, Alan Kirkby, S.J. Morris, Arthur Pi-Sunyer, O. France, Lesley Buswell, R.J. Eden, J. Robinson, M. COTA(S): 6425