October 18, 1989 [2024-01-06]. (原始内容存档于2024-01-06). GoldenGateBridge. Overview of GoldenGateBridge Seismic Retrofit. (页面存档备份,存于互联网档案馆) Updated February
September 2012. New ticketing system on buses starts this week in Darwin and Alice Springs. urbanalyst. 16 December 2014 [21 July 2015]. (原始内容存档于2019-09-22)