Eco, U., & Oldcorn, A. (2014). From the tree to the labyrinth: Historical studies on the sign and interpretation. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Eco, Umberto, agus Anthony Oldcorn. From the Tree to the Labyrinth: Historical Studies on the Sign and Interpretation. Cambridge, Massachusetts ; London, England: Harvard University Press, 2014.
Lua MLA (9ú heag.)Eco, Umberto, agus Anthony Oldcorn. From the Tree to the Labyrinth: Historical Studies on the Sign and Interpretation. Harvard University Press, 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.