Dyfyniad APA

Barthes, R., & Howard, R. (1982). Empire of signs. Hill and Wang.

Dyfyniad Arddull Chicago

Barthes, Roland, and Richard Howard. Empire of Signs. New York: Hill and Wang, 1982.

Dyfyniad MLA

Barthes, Roland, and Richard Howard. Empire of Signs. Hill and Wang, 1982.

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