एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.