Paul Cobley
Routledge , 2001
Buku Teks
Sebeok, Thomas A., author
Pinter Publisher, 1994
Buku Teks
edited by Malcolm Coulthard and Alison Johnson
RoutledgeI, 2013
Buku Teks
Bussmann, Hadumod, author
Routledge, 1996
Buku Referensi
Eco, Umberto, author
Indiana University Press, 1976
Buku Teks