<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Kamii, Constance und Rheta DeVries</hi>. 1996. <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Group games in early education: implications of Piaget’s theory</hi>. Washington, D.C.: National Association for the Education of Young Children. <ref xmlns="http://www.tei-c.org/ns/1.0" target="http://archive.org/details/groupgamesinearl00kami">http://archive.org/details/groupgamesinearl00kami</ref> (zugegriffen: 19. Juni 2024).