Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

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