ebrary, Inc, & Fitz-Gibbon, A. (2010). Positive peace: Reflections on peace education, nonviolence, and social change. Rodopi.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, agus Andrew Fitz-Gibbon. Positive Peace: Reflections on Peace Education, Nonviolence, and Social Change. Amsterdam [etc.]: Rodopi, 2010.
Lua MLA (9ú heag.)ebrary, Inc, agus Andrew Fitz-Gibbon. Positive Peace: Reflections on Peace Education, Nonviolence, and Social Change. Rodopi, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.