Warner, M. (2001). Complex problems, negotiated solutions: Tools to reduce conflict in community development. Intermediate Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Warner, Michael. Complex Problems, Negotiated Solutions: Tools to Reduce Conflict in Community Development. London: Intermediate Technology, 2001.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Warner, Michael. Complex Problems, Negotiated Solutions: Tools to Reduce Conflict in Community Development. Intermediate Technology, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.