Não informado. (2001). Volta voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing.
Chicagoスタイル(17版)引用形式Não informado. Volta Voices. Washington: Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.
MLA(8版)引用形式Não informado. Volta Voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.
警告: この引用は必ずしも正確ではありません.