International travel studies =
Subtitle: statisques du tourisme international = estadisticas del turismo internacional.
Contributors: International Union of Official Travel Organisations.
Edition: 25ed.
Publisher: I.U.O.T.O.
Published: 1971
Place of publication: Geneva
Language: eng
Notes: Looseleaf, in binder, updated.

Continued as: World travel statistics.

English text with French and Spanish commentaries.