@inbook{ RAMOS_ORTEGA:135-156,

author = { ANA MARÍA RAMOS GARCÍA and JOSÉ LUIS ORTEGA MARTÍN } ,

title = { BILINGUALISM AND COMPETENCE IN THE MOTHER TONGUE },

booktitle = { STUDIES IN BILINGUAL EDUCATION },

isbn = { 978-3-0343-0474-0 },

publisher = { Peter Lang },

pages = { 135 - 156 },

year = { 2011 },

}