Hay Associates. (1978). United kingdom: A study of the international travel market. United States Department of Commerce, United States Travel Service.Research & Analysis Division.
Chicago Style (17th ed.) CitationHay Associates. United Kingdom: A Study of the International Travel Market. [S.l.]: United States Department of Commerce, United States Travel Service.Research & Analysis Division, 1978.
MLA (9th ed.) CitationHay Associates. United Kingdom: A Study of the International Travel Market. United States Department of Commerce, United States Travel Service.Research & Analysis Division, 1978.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.