Services, A. o. P. S. (198). Reaching Out to the Community: Catholic Social Services, Archdiocese of Philadelphia. Pittsburgh, Pa..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Services, Archdiocese of Philadelphia-Catholic Social. Reaching Out to the Community: Catholic Social Services, Archdiocese of Philadelphia. Pittsburgh, Pa., 198.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Services, Archdiocese of Philadelphia-Catholic Social. Reaching Out to the Community: Catholic Social Services, Archdiocese of Philadelphia. Pittsburgh, Pa., 198.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.