<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Mill, J. S. </hi>(1974): <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">A System of Logic Ratiocinative and Inductive, </hi>London/Toronto: Routledge and Kegan Paul/University of Toronto Press.