Yerro, E. T. (1980). An analysis of the pronunciation errors made on English segmentals and some remedial measures to correct them [microform]. Photoduplication Service. University of the Philippines Library.
Citação do estilo Chicago (17ª ed.)Yerro, Eva Tanilong. An Analysis of the Pronunciation Errors Made on English Segmentals and Some Remedial Measures to Correct Them [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
Citação MLA (9ª ed.)Yerro, Eva Tanilong. An Analysis of the Pronunciation Errors Made on English Segmentals and Some Remedial Measures to Correct Them [microform]. Photoduplication Service. University of the Philippines Library, 1980.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.