Mark Jansen (English Wikipedia)

"Mark Jansen profile". Epica Online. 12 April 2006. Archived from the original on 5 February 2010. Retrieved 9 May 2010.
"Members". Epica. Retrieved 23 January 2021.

facebook.com

Van Dijk, Erwin (5 August 2012). "An interview with Mark Jansen from Epica". Femme Metal Webzine. Retrieved 25 August 2021.

FaceCulture (2005). "Interview After Forever - Sander Gommans". YouTube. Archived from the original on 21 December 2021. Retrieved 15 June 2016.
Laura Macrí. "❤️10 years of adventures always together, happy anniversary to us! ❤️". Instagram. Archived from the original on 24 December 2021. Retrieved 6 August 2021.
FaceCulture. "Epica interview - Mark Jansen (part 2)". YouTube. Archived from the original on 21 December 2021. Retrieved 23 January 2021.

Laura Macrí. "❤️10 years of adventures always together, happy anniversary to us! ❤️". Instagram. Archived from the original on 24 December 2021. Retrieved 6 August 2021.
"Instagram". Retrieved 15 November 2023.

"Epica - The Quantum Enigma". La Grosse Radio Metal (in French). 28 April 2014. Retrieved 21 March 2020.

"Epica - "Requiem For The Indifferent"". Metal Underground.
"An Interview with Epica's Mark Jansen". Metal Underground. 16 June 2009. Retrieved 5 June 2015.

Elliot, Russell W. (2 March 2004). "Epica: The Phantom Agony". Musical Discoveries. Retrieved 9 May 2010.
"Epica The Divine Conspiracy Review and Interview". Musical Discoveries.com. Retrieved 21 March 2020.

"Laura Macrì: Terra". NuclearBlast.de. Archived from the original on 10 March 2018. Retrieved 20 October 2017.

Grant, Sam. "Epica Interview 2006". Sonic Cathedral WebZine. Archived from the original on 29 May 2009. Retrieved 22 May 2010.

"Interview with the Dutch gothic metal band Sahara Dust". Tartarean Desire Webzine. July 2002. Archived from the original on 6 June 2011. Retrieved 1 April 2010.

"Epica - The Quantum Enigma". ThisIsNotAScene.com. 12 March 2014. Retrieved 21 March 2020.

"Mark Jansen profile". Epica Online. 12 April 2006. Archived from the original on 5 February 2010. Retrieved 9 May 2010.
Grant, Sam. "Epica Interview 2006". Sonic Cathedral WebZine. Archived from the original on 29 May 2009. Retrieved 22 May 2010.
"Interview with the Dutch gothic metal band Sahara Dust". Tartarean Desire Webzine. July 2002. Archived from the original on 6 June 2011. Retrieved 1 April 2010.
"Epica – The Quantum Enigma". Ashladan. Archived from the original on 29 April 2014. Retrieved 29 April 2014.
"Epica – The Holographic Principle". We Love Metal. 10 August 2016. Archived from the original on 9 October 2017. Retrieved 30 May 2017.
"Laura Macrì: Terra". NuclearBlast.de. Archived from the original on 10 March 2018. Retrieved 20 October 2017.

"Epica – The Holographic Principle". We Love Metal. 10 August 2016. Archived from the original on 9 October 2017. Retrieved 30 May 2017.