Whynot. Understanding International Sign. Gallaudet University Press.
Dyfyniad Arddull ChicagoWhynot. Understanding International Sign. Gallaudet University Press.
Dyfyniad MLAWhynot. Understanding International Sign. Gallaudet University Press.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.