APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (8e ed.) Bronvermelding

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

Let op: Deze citaties zijn niet altijd 100% accuraat.