APA-viite (7. p.)
Wu, J. (2013). Enhancing self-directed vocabulary learning: Research and practice. Peter Lang.
Chicago-viite (17. p.)
Wu, Jing. Enhancing Self-directed Vocabulary Learning: Research and Practice. Bern: Peter Lang, 2013.
MLA-viite (9. p.)
Wu, Jing. Enhancing Self-directed Vocabulary Learning: Research and Practice. Peter Lang, 2013.
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