Pollari, Kalevi (June 3, 2011). "Arttu Wiskari: Arttu Wiskari". satumaa.yle.fi (in Finnish). Yle. Archived from the original on August 18, 2011. Retrieved July 29, 2011.
"Arttu Wiskari". klassinen.fi (in Finnish). Archived from the original on March 28, 2012. Retrieved July 29, 2011.
Pollari, Kalevi (June 3, 2011). "Arttu Wiskari: Arttu Wiskari". satumaa.yle.fi (in Finnish). Yle. Archived from the original on August 18, 2011. Retrieved July 29, 2011.