Simmel, G. (1955). Conflict and the web of group-affiliations. The Free Press.
Chicago Edition CitationSimmel, Georg. Conflict and the Web of Group-affiliations. New York: The Free Press, 1955.
Cita MLASimmel, Georg. Conflict and the Web of Group-affiliations. The Free Press, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.