Maryland (PDF). Office of Surface Mining Reclamation and Enforcement(英语:Office of Surface Mining Reclamation and Enforcement). 1997 [2008-07-25]. (原始内容
Construction of Public Housing Developments at North West Kowloon Reclamation Site 6 and Fat Tseung Street West. yau lee construction. [2020-02-10]. (原始内容存档于2021-05-03)
Joyce)在1984年提出,詞源是“radio jamming”(公共頻道被個人入侵)。但實際上在1950年代這個詞就已經出現了。 Images of the street: planning, identity, and control in public space (页面存档备份,存于互联网档案馆) By Nicholas