Παραπομπή APA

Snipper, G. C., & Williams, J. D. Literacy and bilingualism.

Παραπομπή Chicago Style

Snipper, Grace Capizzi, και James D. Williams. Literacy and Bilingualism. New York, Longman.

Παραπομπή MLA

Snipper, Grace Capizzi, και James D. Williams. Literacy and Bilingualism.