"Bolly forlenger!". moldefk.no (in Norwegian). Molde FK. 1 October 2019. Retrieved 1 October 2019.
nettavisen.no
Pettersen, Per Møller (17 November 2013). "Denne nordmannen er nær VM". Nettavisen (in Norwegian). Archived from the original on 22 January 2014. Retrieved 28 November 2013.
nifs.no
"Mathis Bolly" (in Norwegian). NIFS. Archived from the original on 22 November 2015. Retrieved 27 January 2013.
rb.no
Svesengen, Morten (14 January 2009). "På kanten av gjennombruddet". Romerikes Blad (in Norwegian). Archived from the original on 3 December 2013. Retrieved 28 November 2013.
Svesengen, Morten (15 August 2013). "På lag med Drogba". Romerikes Blad (in Norwegian). Archived from the original on 3 December 2013. Retrieved 28 November 2013.
Haugvik, Simen; Stokstad, Morten (17 May 2013). "Bolly sier nei til Norge". TV 2 (in Norwegian). Archived from the original on 2 December 2013. Retrieved 28 November 2013.
Svesengen, Morten (14 January 2009). "På kanten av gjennombruddet". Romerikes Blad (in Norwegian). Archived from the original on 3 December 2013. Retrieved 28 November 2013.
Pettersen, Per Møller (17 November 2013). "Denne nordmannen er nær VM". Nettavisen (in Norwegian). Archived from the original on 22 January 2014. Retrieved 28 November 2013.
Haugvik, Simen; Stokstad, Morten (17 May 2013). "Bolly sier nei til Norge". TV 2 (in Norwegian). Archived from the original on 2 December 2013. Retrieved 28 November 2013.
Svesengen, Morten (15 August 2013). "På lag med Drogba". Romerikes Blad (in Norwegian). Archived from the original on 3 December 2013. Retrieved 28 November 2013.