Citazione Stile APA (7a Edizione)

Villar, A. S. (2008). Coping with down's syndrome. Smart Parenting.

Citazione stile Chigago Style (17a edizione)

Villar, Anna Santos. "Coping with Down's Syndrome." Smart Parenting 2008.

Citatione MLA (9a ed.)

Villar, Anna Santos. "Coping with Down's Syndrome." Smart Parenting, 2008.