Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.