APA aipamena

Blackall, L. (1990). Communication development in congenitally blind and severely vision impaired children: Principles and strategies. Australia: Royal Victorian Institute for the Blind.

Chicago Style aipamena

Blackall, Loretta. Communication Development in Congenitally Blind and Severely Vision Impaired Children: Principles and Strategies. Australia: Royal Victorian Institute for the Blind, 1990.

MLA aipamena

Blackall, Loretta. Communication Development in Congenitally Blind and Severely Vision Impaired Children: Principles and Strategies. Australia: Royal Victorian Institute for the Blind, 1990.