Gaya APA

Eco, U, &, M, C, M. (2000). Belief or non belief?: A confrontation. :In cosa crede chi non crede? 1997 Translated from Italian by: Minna Procter. . London: London Continuum.

Gaya MLA

Eco, Umberto, &, Martini,, Carlo, Maria. "Belief or non belief?: A confrontation. :In cosa crede chi non crede? 1997 Translated from Italian by: Minna Procter. ". London: London Continuum, 2000. Buku.