Παραπομπή APA

Umberto Eco & James Fentress. (1995). The search for the perfect language. Harper Collins.

Παραπομπή Chicago Style

Umberto Eco και James Fentress. The Search for the Perfect Language. London: Harper Collins, 1995.

Παραπομπή MLA

Umberto Eco και James Fentress. The Search for the Perfect Language. Harper Collins, 1995.