Galtung, J. (1996). Peace by peaceful means: Peace and conflict, development and civilization. Sage.
Cita Chicago (17th ed.)Galtung, Johan. Peace by Peaceful Means: Peace and Conflict, Development and Civilization. London: Sage, 1996.
Cita MLA (9th ed.)Galtung, Johan. Peace by Peaceful Means: Peace and Conflict, Development and Civilization. Sage, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.