APA Citation

 Lightbown, P. (2013).  How languages are learned.  Oxford University Press.

Trích dẫn kiểu Chicago

 Lightbown, Patsy.  How Languages Are Learned.  Oxford University Press, 2013.

MLA Citation

 Lightbown, Patsy.  How Languages Are Learned.  Oxford University Press, 2013.

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