Varela, L. Y. (1975). A constrastive study of English and six major Philippine languages: The segmental phenomes [microform]. Photoduplication Service,University of the Philippines library.
Cita Chicago (17th ed.)Varela, Lourdes Ybiernas. A Constrastive Study of English and Six Major Philippine Languages: The Segmental Phenomes [microform]. Quezon City: Photoduplication Service,University of the Philippines library, 1975.
Cita MLA (9th ed.)Varela, Lourdes Ybiernas. A Constrastive Study of English and Six Major Philippine Languages: The Segmental Phenomes [microform]. Photoduplication Service,University of the Philippines library, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.