特急〈はくたか〉681系に〈しらさぎ〉色編成現る [Hakutaka 681 series trainsets appear in Shirasagi livery]. RM News (in Japanese). Japan: Neko Publishing Co., Ltd. 10 February 2015. Retrieved 12 February 2015.
mynavi.jp
news.mynavi.jp
Sugiyama, Junichi (23 November 2014). "特急「はくたか」在来線最速160km/h! ほくほく線の黄金時代" [Limited express "Hakutaka" up to 160 km/h on conventional line! Golden Ages of Hokuhoku Line]. news.mynavi.jp (in Japanese). Mynavi Corporation. Retrieved 27 January 2019.
tetsudo-shimbun.com
より快適に！北陸～近畿を結ぶ特急「サンダーバード」、車両リニューアルへ [Rolling stock to be refurbished for Thunderbird limited express trains linking Hokuriku and Kinki]. Tetsudo Shimbun (in Japanese). Japan. 28 January 2015. Retrieved 28 January 2015.
