Gaya APA

Eco, U. (:). Signs of the times. Dlm: Conversations about the end of time.By Umberto Eco dkk.2000, Harmondsworth. . : .

Gaya MLA

Eco, Umberto. "Signs of the times. Dlm: Conversations about the end of time.By Umberto Eco dkk.2000, Harmondsworth.". : , :. Majalah.