Não informado. (1897). Camera: A practical magazine for photographers. Columbia Photographic Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Camera: A Practical Magazine for Photographers. Philadelphia, Pa: Columbia Photographic Society, 1897.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Camera: A Practical Magazine for Photographers. Columbia Photographic Society, 1897.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.