Não informado. (2001). Volta voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing.
Čikaški stil citiranja (17. izdanje)Não informado. Volta Voices. Washington: Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.
MLA način citiranja (8. izdanje)Não informado. Volta Voices. Alexander Graham Bell Association for the Deaf and Hard of Hearing, 2001.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.