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.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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.
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