Coba jelasin Catatan dari Kuali Gundestrup dong

"Laings", Lloyd Laing and Jennifer Laing. Art of the Celts: From 700 BC to the Celtic Revival, 1992, Thames & Hudson (World of Art),

"Megaws" = Megaw, Ruth and Vincent, Celtic Art, 1989, Thames and Hudson,

"NMD" = "The Gundestrup Cauldron", National Museum of Denmark, web section, accessed on 1 February, 2016

Sandars, Nancy K., Prehistoric Art in Europe, Penguin (Pelican, now Yale, History of Art), 1968 (nb 1st edn.)