Simmons, R. (1970). Lighting in photography. American photographic.
Lua i Stíl Chicago (17ú heag.)Simmons, Robert. Lighting in Photography. New York: American photographic, 1970.
Lua MLA (9ú heag.)Simmons, Robert. Lighting in Photography. American photographic, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.