David, P. (2006). Article 31: The right to leisure, play and culture. Martinus Nijhoff Publishers.
Cita Chicago Style (17a ed.)David, Paulo. Article 31: The Right to Leisure, Play and Culture. Leiden ; Boston: Martinus Nijhoff Publishers, 2006.
Cita MLA (8a ed.)David, Paulo. Article 31: The Right to Leisure, Play and Culture. Martinus Nijhoff Publishers, 2006.
Precaución: Estas citas no son 100% exactas.