Analysis of information sources in references of the Wikipedia article "Bahasa Kelt Hispania" in Indonesian language version.
Celticos a Celtiberis ex Lusitania advenisse manifestum est sacris, lingua, oppidorum vocabulis, quae cognominibus in Baetica distinguntur. Written 77–79 CE. Quoted in Koch (2010), pp. 292–293. The text is also found in online sources: [2], [3].