Cita APA

Congress of the Association Internationale d' Experts Scietifiques du Tourisme Wales. (1981). Leisure, recreation, tourism: Proceedings of the 31st congress of the Association Internationale d' Experts Scientifiques du Tourisme, Wales, 13-19 September 1981. AIEST.

Citación estilo Chicago

Congress of the Association Internationale d' Experts Scietifiques du Tourisme Wales. Leisure, Recreation, Tourism: Proceedings of the 31st Congress of the Association Internationale D' Experts Scientifiques Du Tourisme, Wales, 13-19 September 1981. Berne, Switzerland: AIEST, 1981.

Cita MLA

Congress of the Association Internationale d' Experts Scietifiques du Tourisme Wales. Leisure, Recreation, Tourism: Proceedings of the 31st Congress of the Association Internationale D' Experts Scientifiques Du Tourisme, Wales, 13-19 September 1981. AIEST, 1981.