Wiarda, H. J. (2014). Universities in decline: From the great society to today: how universities have been replaced by the Washington Think Tanks as the generators of policy ideas. University Press of America.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wiarda, Howard J. Universities in Decline: From the Great Society to Today: How Universities Have Been Replaced by the Washington Think Tanks as the Generators of Policy Ideas. Lanham, Maryland: University Press of America, 2014.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Wiarda, Howard J. Universities in Decline: From the Great Society to Today: How Universities Have Been Replaced by the Washington Think Tanks as the Generators of Policy Ideas. University Press of America, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.