Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (8a ed.)

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

Precaución: Estas citas no son 100% exactas.