Dyfyniad APA

Agrest, D., & Sebeok, T. A. (1977). A Perfusion of Signs. Indiana University Press.

Dyfyniad Arddull Chicago

Agrest, Diana, and Thomas A. Sebeok. A Perfusion of Signs. Bloomington: Indiana University Press, 1977.

Dyfyniad MLA

Agrest, Diana, and Thomas A. Sebeok. A Perfusion of Signs. Indiana University Press, 1977.

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