Gaya APA

Butler, K, G., Silliman, E, R. (2002). Speaking, reading, and writing in children with language learning disabilities . London: Lawrence Erlbaum Associates.

Gaya MLA

Butler, Katherine, G.., Silliman, Elaine, R.. "Speaking, reading, and writing in children with language learning disabilities". London: Lawrence Erlbaum Associates, 2002. Text.