BB	Bloomsbury companion to second language acquisition / edited by Ernesto Macaro. London ; New Delhi ; New York ; Sydney : Bloomsbury Academic, [2013]
BB	Common European framework of reference for languages : learning, teaching, assessment. 1st publ., . [s. l.]: Cambridge University Press, 2001. ISBN 0521005310.
BB	COOK, V. Second language learning and language teaching. 5th ed. [s. l.]: Routledge, 2017. ISBN 9780415713801.
BB	PHAKITI, A.; LEUNG, C. Assessment for language teaching. [s. l.]: Cambridge University Press, 2024.
BB	The Cambridge handbook of language learning. First paperback edition 2021. [s. l.]: Cambridge University Press, 2021. ISBN 9781108430289.
BB	The Cambridge handbook of second language learning. First paperback edition 2018. [s. l.]: Cambridge University Press, 2021. ISBN 9781108733748.
BC	Cohen, A. D. “Measuring and researching SLA”. In P. Robinson (ed.), Routledge encyclopedia of second language acquisition pp. 411-420 2012
BC	Cohen, A. D. Macaro, E. “Research methods in second language acquisition”. In second language acquisition. In E. Macaro (Ed.), Continuum companion to second language acquisition pp. 107-133 London : 2010
BC	Ellis, Rod. Principles of instructed second language acquisition. - 1 Washington: Center or Applied, 2008
BC	Ellis, Rod. The study of second language acquisition / Rod Ellis . 2nd ed. Oxford : Oxford University Press, 2008

LISTADO DE URLs:
	Ellis, R. Principles of Instructed Second Language Acquisition. Washington : Center of Applied Linguistic, 2008 [http://www.actiondyslexia.co.uk/downloads/Principlesofsecondlanguageacquisition.pdf]
	The Cambridge Handbook of Language Acquisition / edited by Julia Herschensohn and Martha Young-Scholten [https://ebookcentral.proquest.com/lib/zaragoza/detail.action?docID=1139667]