Language
Buku Teks
Bloomfield, Leonard
Language
Holt, Rinehart and Winston, 1961
Buku Teks
Bloom, Lois
Language development and language disordes
New York John Wiley & Sons 1978
Buku Teks
Cook, Guy W.D.
Language play, language learning
Oxford University Press, 2000
Buku Teks
Language and Language Behavior Abstract's
San Diego : Sosiological Abstracts Inc.
Majalah, Jurnal, Buletin