David, P. (2006). Article 31: The right to leisure, play and culture. Martinus Nijhoff Publishers.
Dyfyniad Arddull ChicagoDavid, Paulo. Article 31: The Right to Leisure, Play and Culture. Leiden ; Boston: Martinus Nijhoff Publishers, 2006.
Dyfyniad MLADavid, Paulo. Article 31: The Right to Leisure, Play and Culture. Martinus Nijhoff Publishers, 2006.
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