European Seminar on the Leisure of Workers in Modern Industrial Societies. Semmering (1967) & Vereinte Nationen. (1968). European seminar on the leisure of workers in modern industrial societies: Semmering, Austria, 20-29 Nov. 1967; Report. UN.
Chicago-Zitierstil (17. Ausg.)European Seminar on the Leisure of Workers in Modern Industrial Societies. Semmering (1967) und Vereinte Nationen. European Seminar on the Leisure of Workers in Modern Industrial Societies: Semmering, Austria, 20-29 Nov. 1967; Report. Geneva: UN, 1968.
MLA-Zitierstil (9. Ausg.)European Seminar on the Leisure of Workers in Modern Industrial Societies. Semmering (1967) und Vereinte Nationen. European Seminar on the Leisure of Workers in Modern Industrial Societies: Semmering, Austria, 20-29 Nov. 1967; Report. UN, 1968.
