APA-viite (7. p.)

Não informado. (2001). Volta voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing.

Chicago-viite (17. p.)

Não informado. Volta Voices. Washington: Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.

MLA-viite (8. p.)

Não informado. Volta Voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.

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