Bahasa isyarat: Perbedaan antara revisi

* Stiles-Davis, Joan; Kritchevsky, Mark; & Bellugi, Ursula (Eds.). (1988). ''Spatial cognition: Brain bases and development''. Hillsdale, NJ: L. Erlbaum Associates. ISBN 0-8058-0046-8; ISBN 0-8058-0078-6.

* Stokoe, William C. (1960). ''Sign language structure: An outline of the visual communication systems of the American deaf''. Studies in linguistics: Occasional papers (No. 8). Buffalo: Dept. of Anthropology and Linguistics, University of Buffalo.