Jørgen Nielsen, H. “Pertti Pesonen: An Election in Finland. Party Activities and Voter Reactions. New Haven & London, Yale University Press, 1968. X+ 416 S. Ill. $ 12.50.”. Historisk Tidsskrift, Bd. 12, januar 1973, https://tidsskrift.dk/historisktidsskrift/article/view/51368.