Ada, A. F., & Villamil Tinajero, J. (1998). The power of two languages 2000: Effective dual - language use across the curriculum. New York: Macmillan/McGraw-Hill School Pub. Co..
Παραπομπή Chicago StyleAda, Alma Flor., και Josefina Villamil Tinajero. The Power of Two Languages 2000: Effective Dual - Language Use Across the Curriculum. New York: Macmillan/McGraw-Hill School Pub. Co., 1998.
Παραπομπή MLAAda, Alma Flor., και Josefina Villamil Tinajero. The Power of Two Languages 2000: Effective Dual - Language Use Across the Curriculum. New York: Macmillan/McGraw-Hill School Pub. Co., 1998.
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