Costello, E. (2003). Random House Webster's American sign language legal dictionary. Random House Reference.
Dyfyniad Arddull ChicagoCostello, Elaine. Random House Webster's American Sign Language Legal Dictionary. New York: Random House Reference, 2003.
Dyfyniad MLACostello, Elaine. Random House Webster's American Sign Language Legal Dictionary. Random House Reference, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.