Fodor's Cruises and Ports of call / Daniel and Sally Grotta
COTA(S): 16803
Cruzeiros no Rio Douro / EnDouro Turismo, S.A.
COTA(S): Fl-PT.654
The world cruise ship industry in the 1990s / Tony Peisley
COTA(S): 4957
Prospective touristique et marchés porteurs
COTA(S): RE-411
The japanese overseas travel market in the 1990s / by Stephen Morris
COTA(S): 4719
Cruzeiros no rio Douro / Endouro Turismo
COTA(S): Fl-PT.54
The business of tourism / J. Christopher Holloway
COTA(S): 4651; 4651-A; 338.48 HOL BUS
The total traveler by ship : a complete guide to sea travel / Ethel Blum
COTA(S): 16804
Quintas do Douro : Turismo no Espaço Rural
COTA(S): RT-18669
Tourisme et intégration européenne / CIACO
COTA(S): 15680