Campbell, D., Draper, R., & Huffington, C. (1998). Second thoughts on the theory and practice of the theory and practice of the Milan approach to family therapy. Karnac Books ; Distributed in the U.S.A. by Brunner/Mazel, Inc.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Campbell, David, Rosalind Draper, و Clare Huffington. Second Thoughts on the Theory and Practice of the Theory and Practice of the Milan Approach to Family Therapy. London : [New York: Karnac Books ; Distributed in the U.S.A. by Brunner/Mazel, Inc.], 1998.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Campbell, David, et al. Second Thoughts on the Theory and Practice of the Theory and Practice of the Milan Approach to Family Therapy. Karnac Books ; Distributed in the U.S.A. by Brunner/Mazel, Inc.], 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.