HSMA/Travel Industry : Glossary of terms / Hotel Sales Management Association
The overseas travel market of Japan / Japan Air Lines
COTA(S): 7
A study of japanese travel habits and patterns / United States Department of Commerce. United States Travel Service Office of Research and Analysis
COTA(S): 8
European Travel market study : European Travel Statistics- Today's data and tomorrow's needs / Stephen Wheatcroft [et al.]
COTA(S): 429