Manzano, N. T. (1999). The critical thinking performance of college freshmen and its correlation to some non-intellective variables. Saint Mary's University Research Journal.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Manzano, Nenita T. "The Critical Thinking Performance of College Freshmen and Its Correlation to Some Non-intellective Variables." Saint Mary's University Research Journal 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Manzano, Nenita T. "The Critical Thinking Performance of College Freshmen and Its Correlation to Some Non-intellective Variables." Saint Mary's University Research Journal, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.