Work, C. C. A. C. o. S. (1929). Community Cooperation in Social Work. A Plan Submitted to the All-Philadelphia Conference on Social Work, March 5 and 6, 1929. Philadelphia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Work, Continuation Committee. All-Philadelphia Conference on Social. Community Cooperation in Social Work. A Plan Submitted to the All-Philadelphia Conference on Social Work, March 5 and 6, 1929. Philadelphia, 1929.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Work, Continuation Committee. All-Philadelphia Conference on Social. Community Cooperation in Social Work. A Plan Submitted to the All-Philadelphia Conference on Social Work, March 5 and 6, 1929. Philadelphia, 1929.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.