Langford, M. (2007). Scissors, paper, stone: Expressions of memory in contemporary photographic art. McGill-Queen's University Press.
Lua i Stíl Chicago (17ú heag.)Langford, Martha. Scissors, Paper, Stone: Expressions of Memory in Contemporary Photographic Art. Montreal: McGill-Queen's University Press, 2007.
Lua MLA (9ú heag.)Langford, Martha. Scissors, Paper, Stone: Expressions of Memory in Contemporary Photographic Art. McGill-Queen's University Press, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.