AndrewsJ., & MasonJ. (1986). How do deaf children learn about prereading?Am. Annals of the Deaf, 131, 210–217.
2.
BornsteinA. L.HamiltonL.KannapelB.RoyH., & SaulnierK. (1975). The signed English dictionary for preschool and elementary levels. Washington, DC: Gallaudet University Press.
3.
GriswoldE., & CommingsJ. (1974). The expressive language abilities of young deaf children. Am. Annals of the Deaf, 119, 16–28.
4.
MasonJ. (1980). When do children begin to read: An exploration of four-year-old children's letter and word reading competencies. Reading Research Quarterly, 2, 203–227.
5.
RiekehofL. (1980). The joy of signing, (5th ed.). Spfld., MO: Gospel Pub.House.