Verkko, V. K. (1951). Homicides and suicides in Finland and their dependence on national character: With an additional chapter: The theories of Morselli and Ferri on homicides and suicides and the attitude to them of Tarde and Durkheim. G. E. C. Gad.
Čikaški stil citiranja (17. izdanje)Verkko, Veli Kaarle. Homicides and Suicides in Finland and Their Dependence on National Character: With an Additional Chapter: The Theories of Morselli and Ferri on Homicides and Suicides and the Attitude to Them of Tarde and Durkheim. København: G. E. C. Gad, 1951.
MLA način citiranja (8. izdanje)Verkko, Veli Kaarle. Homicides and Suicides in Finland and Their Dependence on National Character: With an Additional Chapter: The Theories of Morselli and Ferri on Homicides and Suicides and the Attitude to Them of Tarde and Durkheim. G. E. C. Gad, 1951.