English operator: Panoramio described at URL: https://web.archive.org/web/20161021043730/http://www.panoramio.com/photo/65599973 determination method...
country contexts? By Toomas Huik - File:üks vabadus, mida meil ei ole - panoramio.jpg, https://arvamus.postimees.ee/3065059/raul-veede-uks-vabadus-mida-meil-ei-ole...
CANDUELA, Jorge A.; NAVARRO SANZ, Santiago; SAORÍN, Tomás (2012). "Wiki Loves Monuments 2011: the experience in Spain and reflections regarding the diffusion...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021160638/http://www.panoramio.com/photo/63561087...
English operator: Panoramio described at URL: https://web.archive.org/web/20161113035438/http://www.panoramio.com/photo/41820429...
English operator: Panoramio described at URL: https://web.archive.org/web/20161021120152/http://www.panoramio.com/photo/57238493...
English operator: Panoramio described at URL: https://web.archive.org/web/20161025202358/http://www.panoramio.com/photo/88486943 determination method:...
archive.org/web/20161020010504/http://www.panoramio.com/user/4647437?with_photo_id=67970525 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013220031/http://www.panoramio.com/user/3451733?with_photo_id=29162907 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161023195003/http://www.panoramio.com/user/2938773?with_photo_id=66834744 operator: Panoramio described at URL: https://web.archive...