Cita APA (7a ed.)

Tarone, E., & Yule, G. (1999). Focus on the language learner: Approaches to identifying and meeting the needs of secon language learners. Oxford University.

Cita Chicago Style (17a ed.)

Tarone, Elaine, y George Yule. Focus on the Language Learner: Approaches to Identifying and Meeting the Needs of Secon Language Learners. Oxford: Oxford University, 1999.

Cita MLA (9a ed.)

Tarone, Elaine, y George Yule. Focus on the Language Learner: Approaches to Identifying and Meeting the Needs of Secon Language Learners. Oxford University, 1999.