HADFIELD, James. Last splash: How long will the immodest Japanese tradition of mixed bathing continue?. The Japan Times [online]. 2016-12-10 [cit. 2025-01-07]. Dostupné online. (anglicky)
Japanese owners of famous ‘onsen’ hot springs soften their stance on tattoo ban to appease foreign visitors | South China Morning Post. web.archive.org [online]. 2016-01-17 [cit. 2025-01-07]. Dostupné varchivu pořízeném zoriginálu dne2016-01-17.
Other types of bathing | Onsen Medical Science Reserch Center. www.onsen-msrc.com [online]. [cit. 2025-01-07]. Dostupné varchivu pořízeném dne2025-04-27.
Japanese owners of famous ‘onsen’ hot springs soften their stance on tattoo ban to appease foreign visitors | South China Morning Post. web.archive.org [online]. 2016-01-17 [cit. 2025-01-07]. Dostupné varchivu pořízeném zoriginálu dne2016-01-17.