page 11 "Narrow Gauge Big Power - QR's 4000 Class GT42CU Locomotives" Railway Digest May 1998 page 13 "QR's 4000 class AC Traction units" Railway Digest December
(原始内容存档于2022-03-25). Shaer, Matthew. Nintendo Admits the Wii U Is Struggling to Gain Traction. The Christian Science Monitor. Christian Science Publishing Society. 2013-01-30