Liukkonen, Petri. "Attila József". Books and Writers (kirjasto.sci.fi). Finland: Kuusankoski Public Library. Archived from the original on 20 June 2006.
Liukkonen, Petri. "Attila József". Books and Writers (kirjasto.sci.fi). Finland: Kuusankoski Public Library. Archived from the original on 20 June 2006.