Não informado. (1990). Perspectives in Education and Deafness. Gallaudet University, Pre-College Programs.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Perspectives in Education and Deafness. Washington: Gallaudet University, Pre-College Programs, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Perspectives in Education and Deafness. Gallaudet University, Pre-College Programs, 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.