Gill, J. M., & Clark, L. L. (1978). International register of research on blindness and visual impairment. Warwick Research Unit for the Blind ; American Foundation for the Blind.
Chicago Style (17th ed.) CitationGill, J. M., and Leslie L. Clark. International Register of Research on Blindness and Visual Impairment. Coventry, Eng. : New York: Warwick Research Unit for the Blind ; American Foundation for the Blind, 1978.
MLA (9th ed.) CitationGill, J. M., and Leslie L. Clark. International Register of Research on Blindness and Visual Impairment. Warwick Research Unit for the Blind ; American Foundation for the Blind, 1978.
Warning: These citations may not always be 100% accurate.