Sebeok, Thomas A., author
Pinter Publisher, 1994
Buku Teks
Paul Cobley
Routledge , 2001
Buku Teks
Eco, Umberto, author
Indiana University Press, 1976
Buku Teks
Cobley, Paul, author
Icon Books, 1999
Buku Teks
Eco, Umberto, author
Indiana University Press, 1979
Buku Teks