Peter M.P.M.BrackePeter M.P.M., Ultimate DVD: The Essential Guide to Building Your DVD Collection, Berkley Books, 2004, s. 232, ISBN 978-0-425-19643-4 [dostęp 2017-12-27], Cytat: Until DVD came along, deleted materials and outtakes were just junked by the studios. Sadly, it was cheaper to incinerate the outtakes than to store them. Also, because the DVD is worked on these days immediately after the first cut of the film has been finished, any extra materials are at hand.(ang.).