io9.comArchived 8 August 2015 at the Wayback Machine, by Charlie Jane Anders (7 May 2008), "Nazi Moonbase Launches Stealth Attack". Retrieved 1 May 2009.
newteevee.comArchived 12 January 2009 at the Wayback Machine, by Chris Albrecht (12 May 2008), "Iron Sky Opens Up the Filmmaking Process". Retrieved 1 May 2009.
io9.comArchived 8 August 2015 at the Wayback Machine, by Charlie Jane Anders (7 May 2008), "Nazi Moonbase Launches Stealth Attack". Retrieved 1 May 2009.
newteevee.comArchived 12 January 2009 at the Wayback Machine, by Chris Albrecht (12 May 2008), "Iron Sky Opens Up the Filmmaking Process". Retrieved 1 May 2009.
Vuorensola, Timo; Karinen, Kalle (photographer) (2 July 2013). Director's Update - From the Center of the Earth! (Web video). Croatia: Energia Productions. Event occurs at 01:50. Archived from the original on 19 February 2014. Retrieved 8 July 2013.
Vuorensola, Timo; Karinen, Kalle (photographer) (2 July 2013). Director's Update - From the Center of the Earth! (Web video). Croatia: Energia Productions. Event occurs at 01:50. Archived from the original on 19 February 2014. Retrieved 8 July 2013.