"Mittbackskris i Kalmar" (in Swedish). Afton Bladet. 18 April 2012. Retrieved 7 March 2017. "KALMAR FF – BK HÄCKEN" (in Swedish). Kalmar FF. 15 April 2012. Archived from the original on 20 March 2021. Retrieved 23 March 2021.
"Förlängt kontrakt för Öhman" (in Swedish). Kalmar FF. 20 July 2010. Archived from the original on 7 March 2017. Retrieved 7 March 2017. "TRUPPEN 2011" (in Swedish). Kalmar FF. 27 January 2011. Archived from the original on 20 March 2021. Retrieved 23 March 2021.
"Mittbackskris i Kalmar" (in Swedish). Afton Bladet. 18 April 2012. Retrieved 7 March 2017. "KALMAR FF – BK HÄCKEN" (in Swedish). Kalmar FF. 15 April 2012. Archived from the original on 20 March 2021. Retrieved 23 March 2021.
"オーマン選手契約満了のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 14 January 2017. Archived from the original on 9 January 2019. Retrieved 18 January 2017.
"Förlängt kontrakt för Öhman" (in Swedish). Kalmar FF. 20 July 2010. Archived from the original on 7 March 2017. Retrieved 7 March 2017. "TRUPPEN 2011" (in Swedish). Kalmar FF. 27 January 2011. Archived from the original on 20 March 2021. Retrieved 23 March 2021.
"Mittbackskris i Kalmar" (in Swedish). Afton Bladet. 18 April 2012. Retrieved 7 March 2017. "KALMAR FF – BK HÄCKEN" (in Swedish). Kalmar FF. 15 April 2012. Archived from the original on 20 March 2021. Retrieved 23 March 2021.
"オーマン選手契約満了のお知らせ". nagoya-grampus.jp (in Japanese). Nagoya Grampus. 14 January 2017. Archived from the original on 9 January 2019. Retrieved 18 January 2017.