Baes, V. M. (1974). A study of the types of errors in English written composition of grades five and six pupils in the Batangas West District [microform]. Photoduplication Service, University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBaes, Virginia M. A Study of the Types of Errors in English Written Composition of Grades Five and Six Pupils in the Batangas West District [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBaes, Virginia M. A Study of the Types of Errors in English Written Composition of Grades Five and Six Pupils in the Batangas West District [microform]. Photoduplication Service, University of the Philippines Library, 1974.
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