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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিVerkko, 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিVerkko, 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.