Citazione Stile APA (7a Edizione)

Ortega, L. (2013). Understanding Second language acquisition. Routledge Taylor & Francis Group.

Citazione stile Chigago Style (17a edizione)

Ortega, Lourdes. Understanding Second Language Acquisition. London, United Kingdom: Routledge Taylor & Francis Group, 2013.

Citatione MLA (9a ed.)

Ortega, Lourdes. Understanding Second Language Acquisition. Routledge Taylor & Francis Group, 2013.