Dyfyniad APA

Sign Systems Studies. University of Tartu, Department of Semiotics.

Dyfyniad Arddull Chicago

Sign Systems Studies. University of Tartu, Department of Semiotics.

Dyfyniad MLA

Sign Systems Studies. University of Tartu, Department of Semiotics.

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