Berenguer Alonso, M. 1. (1994). Prehistoric cave art in northern Spain Asturias. Eujoa.
Lua i Stíl Chicago (17ú heag.)Berenguer Alonso, Magin 1918. Prehistoric Cave Art in Northern Spain Asturias. España: Eujoa, 1994.
Lua MLA (9ú heag.)Berenguer Alonso, Magin 1918. Prehistoric Cave Art in Northern Spain Asturias. Eujoa, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.