Coronel, H. R. (1974). A comparative study of English and Spanish sounds and letter forms [microform]. Photoduplication Service, University of the Philippines Library.
Citación estilo ChicagoCoronel, Hermogenes R. A Comparative Study of English and Spanish Sounds and Letter Forms [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
Cita MLACoronel, Hermogenes R. A Comparative Study of English and Spanish Sounds and Letter Forms [microform]. Photoduplication Service, University of the Philippines Library, 1974.
Warning: These citations may not always be 100% accurate.