<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold" style="font-size:11pt">Walther, Bo Kampmann</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:11pt" xml:space="preserve">. 2003. „Playing and Gaming. Reflections and Classifications.“ In </hi> <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic" style="font-size:11pt">International Journal of Computer Game Research</hi> <hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:11pt" xml:space="preserve"> 3.1.</hi>