"Start henter midtstopper" [Start acquire defender] (in Norwegian). IK Start. 31 March 2014. Archived from the original on 31 October 2014. Retrieved 31 March 2014.
iol.pt
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"M. Berger" (in Portuguese). Mais Futebol. Retrieved 21 April 2020.
"Benfica-Académica, 0–3 (ficha)" [Benfica-Académica, 0–3 (report)] (in Portuguese). Mais Futebol. 11 April 2008. Retrieved 7 June 2017.
"Start henter midtstopper" [Start acquire defender] (in Norwegian). IK Start. 31 March 2014. Archived from the original on 31 October 2014. Retrieved 31 March 2014.