Não informado. (2004). Exceptional Child Education Abstracts. Council for Exceptional Children.
Chicago-viite (17. p.)Não informado. Exceptional Child Education Abstracts. Reston, Va: Council for Exceptional Children, 2004.
MLA-viite (8. p.)Não informado. Exceptional Child Education Abstracts. Council for Exceptional Children, 2004.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.