Olaes, E. M. (2009). A Comparative study of the dynamics in effective and ineffective group discussions. College of Arts and Letters, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Olaes, Elbert M. A Comparative Study of the Dynamics in Effective and Ineffective Group Discussions. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Olaes, Elbert M. A Comparative Study of the Dynamics in Effective and Ineffective Group Discussions. College of Arts and Letters, University of the Philippines Diliman, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.