Não informado. (1897). Camera: A practical magazine for photographers. Columbia Photographic Society.
Chicago-referens (17:e uppl.)Não informado. Camera: A Practical Magazine for Photographers. Philadelphia, Pa: Columbia Photographic Society, 1897.
MLA-referens (8:e uppl.)Não informado. Camera: A Practical Magazine for Photographers. Columbia Photographic Society, 1897.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.