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.
Cytowanie według stylu Chicago (wyd. 17)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.
Cytowanie według stylu MLA (wyd. 8)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.