Abad, J. H. (1980). Espanol para universitarios Filipinos: Libro I. College of Arts and Sciences, University of the Philippines.
Citazione stile Chigago Style (17a edizione)Abad, Jesusa Henson. Espanol Para Universitarios Filipinos: Libro I. [Quezon City]: College of Arts and Sciences, University of the Philippines, 1980.
Citatione MLA (9a ed.)Abad, Jesusa Henson. Espanol Para Universitarios Filipinos: Libro I. College of Arts and Sciences, University of the Philippines, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.