Johan Galtung. Peace by Peaceful Means: Peace and Conflict, Development and Civilization. SAGE.
Chicago-referens (17:e uppl.)Johan Galtung. Peace by Peaceful Means: Peace and Conflict, Development and Civilization. SAGE.
MLA-referens (8:e uppl.)Johan Galtung. Peace by Peaceful Means: Peace and Conflict, Development and Civilization. SAGE.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.