Citazione Stile APA (7a Edizione)

(2001). User-friendly materials and alternative formats / National Center for the Dissemination of Disability Research.

Citazione stile Chigago Style (17a edizione)

User-friendly Materials and Alternative Formats / National Center for the Dissemination of Disability Research. 2001.

Citatione MLA (9a ed.)

User-friendly Materials and Alternative Formats / National Center for the Dissemination of Disability Research. 2001.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.