Dyfyniad APA

Aston, E., & Savona, G. (1991). Theatre as sign-system: A semiotics of text and performance. Routledge.

Dyfyniad Arddull Chicago

Aston, Elaine, and George Savona. Theatre as Sign-system: A Semiotics of Text and Performance. London ; New York: Routledge, 1991.

Dyfyniad MLA

Aston, Elaine, and George Savona. Theatre as Sign-system: A Semiotics of Text and Performance. Routledge, 1991.

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