Zunes, S., Kurtz, L. R., & Asher, S. B. (1999). Nonviolent social movements: A geographical perspective. Blackwell.
Cita Chicago (17th ed.)Zunes, Stephen, Lester R. Kurtz, i Sarah Beth Asher. Nonviolent Social Movements: A Geographical Perspective. Malden, Mass.: Blackwell, 1999.
Cita MLA (8th ed.)Zunes, Stephen, et al. Nonviolent Social Movements: A Geographical Perspective. Blackwell, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.