American Enterprise Institute for Public Policy Research & American Enterprise Institute for Public Policy Research. (1976). AEI studies on contemporary economic problems. American Enterprise Institute for Public Policy Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Enterprise Institute for Public Policy Research و American Enterprise Institute for Public Policy Research. AEI Studies on Contemporary Economic Problems. Washington: American Enterprise Institute for Public Policy Research, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)American Enterprise Institute for Public Policy Research و American Enterprise Institute for Public Policy Research. AEI Studies on Contemporary Economic Problems. American Enterprise Institute for Public Policy Research, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.