Cabalteja, E. R. (1992). A Study on the relationship of extemporaneous public speaking performance of two selected variables. College of Arts and Letters, University of the Philippines Diliman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cabalteja, Elaine Rose. A Study on the Relationship of Extemporaneous Public Speaking Performance of Two Selected Variables. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 1992.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Cabalteja, Elaine Rose. A Study on the Relationship of Extemporaneous Public Speaking Performance of Two Selected Variables. College of Arts and Letters, University of the Philippines Diliman, 1992.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.