Não informado. (1975). Journal of applied photographic engineering. Society of Photographic Scientists and Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Applied Photographic Engineering. Springfield, Va: Society of Photographic Scientists and Engineers, 1975.
Lua MLA (8ú heag.)Não informado. Journal of Applied Photographic Engineering. Society of Photographic Scientists and Engineers, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.