(1974). Audite Of Voluntary Health And Welfare Organizations The Commitee On Voluntary And Welfare Organizations. American Institute of Certifie.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Audite Of Voluntary Health And Welfare Organizations The Commitee On Voluntary And Welfare Organizations. American Institute of Certifie, 1974.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Audite Of Voluntary Health And Welfare Organizations The Commitee On Voluntary And Welfare Organizations. American Institute of Certifie, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.