Sparks, C., & Isaacs, S. (2004). Political theorists in context. Routledge.
Chicago Edition CitationSparks, Chris, i Stuart Isaacs. Political Theorists in Context. London ; New York, N.Y.: Routledge, 2004.
Cita MLASparks, Chris, i Stuart Isaacs. Political Theorists in Context. Routledge, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.