Il terrorismo di sinistra (Ricerche e studi sul terrorismo e la violenza politica)

1990

Approaches and Methodologies in the Social Sciences

A Pluralist Perspective

2008

El gran retroceso

2017

Where Did the Revolution Go?

Contentious Politics and the Quality of Democracy

2016

Clandestine Political Violence

2013

Scienza politica

2001

Social Movements

An Introduction

1999