Mandel Center for Nonprofit Organizations & Centre for Voluntary Organisation (London School of Economics and Political Science). (1990). Nonprofit management & leadership. Jossey-Bass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mandel Center for Nonprofit Organizations و Centre for Voluntary Organisation (London School of Economics and Political Science). Nonprofit Management & Leadership. San Francisco, CA: Jossey-Bass, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mandel Center for Nonprofit Organizations و Centre for Voluntary Organisation (London School of Economics and Political Science). Nonprofit Management & Leadership. Jossey-Bass, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.