Lua APA (7ú heag.)

(1978). International register of research on blindness and visual impairment / J. M. Gill and L. L. Clarke.

Lua i Stíl Chicago (17ú heag.)

International Register of Research on Blindness and Visual Impairment / J. M. Gill and L. L. Clarke. 1978.

Lua MLA (9ú heag.)

International Register of Research on Blindness and Visual Impairment / J. M. Gill and L. L. Clarke. 1978.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.