original (PDF) on 15 December 2013. Retrieved 15 December 2013. 坂戸駅南口・川越駅西口-成田空港 直行バス [Sakado/Kawagoe - Narita Airport Direct Bus]. Tobu Bus Online (in Japanese)...
the original on 1 August 2014. Retrieved 30 March 2014. 坂戸駅南口・川越駅西口-成田空港 直行バス [Sakado/Kawagoe – Narita Airport Direct Bus]. Tobu Bus Online (in Japanese)...