Tohutoro APA (7th ed.)
GILL, J. (2000). WHICH BUTTON: DESIGNING USER INTERFACES FOR PEOPLE WITH VISUAL IMPAIRMENTS. ROYAL NATIONAL INSTITUTE FOR THE BLIND.
Tohutoru Kātū Chicago (17th ed.)
GILL, J. WHICH BUTTON: DESIGNING USER INTERFACES FOR PEOPLE WITH VISUAL IMPAIRMENTS. LONDON: ROYAL NATIONAL INSTITUTE FOR THE BLIND, 2000.
Tohutoro MLA (9th ed.)
GILL, J. WHICH BUTTON: DESIGNING USER INTERFACES FOR PEOPLE WITH VISUAL IMPAIRMENTS. ROYAL NATIONAL INSTITUTE FOR THE BLIND, 2000.
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