Lua APA (7ú heag.)

Bierens, F. (2010). A spectrum of light: Inspirational interviews with families affected by autism. Jessica Kingsley Publishers.

Lua i Stíl Chicago (17ú heag.)

Bierens, Francesca. A Spectrum of Light: Inspirational Interviews with Families Affected by Autism. London ; Philadelphia: Jessica Kingsley Publishers, 2010.

Lua MLA (9ú heag.)

Bierens, Francesca. A Spectrum of Light: Inspirational Interviews with Families Affected by Autism. Jessica Kingsley Publishers, 2010.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.