Blackall, L. (1990). Communication development in congenitally blind and severely vision impaired children: Principles and strategies. Australia: Royal Victorian Institute for the Blind.
Citação norma ChicagoBlackall, Loretta. Communication Development in Congenitally Blind and Severely Vision Impaired Children: Principles and Strategies. Australia: Royal Victorian Institute for the Blind, 1990.
Citação norma MLABlackall, Loretta. Communication Development in Congenitally Blind and Severely Vision Impaired Children: Principles and Strategies. Australia: Royal Victorian Institute for the Blind, 1990.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.