paidContent. New York Times. February 8, 2012 [February 8, 2012]. (原始内容存档于2013-03-28). Gabriel Kahn, "How Gigaom Built a Media Business Around Free Content
Elephants Dream: Freecontent 3D film released to the Internet Interview with Ton Roosendaal about Elephants Dream and freecontent movies 维基共享资源中相关的多媒体资源:大象之梦