Richard. reddit.com. London: The Guardian. 2005-12-08 [2006-12-23]. (原始内容存档于2006-12-30). Singel, Ryan. Feds Charge Activist as Hacker for Downloading Millions
Radio. Make: DIY Projects and Ideas for Makers. Maker Media, Inc. 2015-06-30 [2017-09-23]. (原始内容存档于2017-09-24) (美国英语). OFTA, Equipment for Amateur Station: