Delbaere, R. (1986). Freizeit in den Stadten : =: Free time in cities := Le temps libre dans les villes : 6. Europaischer Kongress fur Freizeit, 16.-21. Marz 1986, Bericht =: 6th European Congress on Leisure, March 16-21, 1986, Vienna, Austria, proceedings =. [s. l.]: European Leisure and Recreation Association.
Παραπομπή Chicago StyleDelbaere, Roland. Freizeit in Den Stadten : =: Free Time in Cities := Le Temps Libre Dans Les Villes : 6. Europaischer Kongress Fur Freizeit, 16.-21. Marz 1986, Bericht =: 6th European Congress On Leisure, March 16-21, 1986, Vienna, Austria, Proceedings =. [s. l.]: European Leisure and Recreation Association, 1986.
Παραπομπή MLADelbaere, Roland. Freizeit in Den Stadten : =: Free Time in Cities := Le Temps Libre Dans Les Villes : 6. Europaischer Kongress Fur Freizeit, 16.-21. Marz 1986, Bericht =: 6th European Congress On Leisure, March 16-21, 1986, Vienna, Austria, Proceedings =. [s. l.]: European Leisure and Recreation Association, 1986.