Cita APA

Escalante Aráuz, P., & Escalante Aráuz, P. (1991). The acquisition of twenty grammatical structures in children learning English as a foreign language in a Costa Rican bilingual elementary school. San José, C.R.

Citación estilo Chicago

Escalante Aráuz, Patricia, y Patricia Escalante Aráuz. The Acquisition of Twenty Grammatical Structures in Children Learning English As a Foreign Language in a Costa Rican Bilingual Elementary School. San José, C.R, 1991.

Cita MLA

Escalante Aráuz, Patricia, y Patricia Escalante Aráuz. The Acquisition of Twenty Grammatical Structures in Children Learning English As a Foreign Language in a Costa Rican Bilingual Elementary School. San José, C.R, 1991.