Waltå, G. O. (1990). Under black banners: The case of Örnulf Tigerstedt and extreme right wing Finland-Swedish literature 1918-1944.
Chicago-viite (17. p.)Waltå, Göran O:son. Under Black Banners: The Case of Örnulf Tigerstedt and Extreme Right Wing Finland-Swedish Literature 1918-1944. Jyväskylä, 1990.
MLA-viite (9. p.)Waltå, Göran O:son. Under Black Banners: The Case of Örnulf Tigerstedt and Extreme Right Wing Finland-Swedish Literature 1918-1944. 1990.
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