Serbian Poreklo jezika Cited by user Mmilosavljevic on 29 Jan 2019 мини|389x389пиксел|алт=|Grafikon evolucije čoveka Evolutivni nastanak jezika kod ljudske vrste je tema spekulacija već nekoliko vekova.
English Origin of language Cited by user 101.181.252.103 on 12 Jul 2016 The origin of language in the human species has been the topic of scholarly discussions for several centuries.
Portuguese Origem da linguagem Cited by user Carrion on 17 Jul 2014 A origem da linguagem entre os humanos tem sido o tema de discussões acadêmicas desde alguns séculos.