"Suno-saki". Nihon Kokugo Daijiten (日本国語大辞典 “Large Dictionary of the Japanese Language”). Tokyo: Netto Adobansusha. 2011. Archived from the original on 2007-08-25. Retrieved 2011-11-22.
"Suno-saki". Nihon Daihyakka Zensho (Nipponika) (日本大百科全書(ニッポニカ) “Large Encyclopedia of Japan (Nipponika)”). Tokyo: Netto Adobansusha. 2011. Archived from the original on 2007-08-25. Retrieved 2011-11-22.
"Suno-saki". Nihon Kokugo Daijiten (日本国語大辞典 “Large Dictionary of the Japanese Language”). Tokyo: Netto Adobansusha. 2011. Archived from the original on 2007-08-25. Retrieved 2011-11-22.
"Suno-saki". Nihon Daihyakka Zensho (Nipponika) (日本大百科全書(ニッポニカ) “Large Encyclopedia of Japan (Nipponika)”). Tokyo: Netto Adobansusha. 2011. Archived from the original on 2007-08-25. Retrieved 2011-11-22.