APA-viite (7. p.)
Barden, N., & Williams, T. (2007). Words and symbols: Language and communication in therapy. Open University Press.
Chicago-viite (17. p.)
Barden, Nicola, ja Tina Williams. Words and Symbols: Language and Communication in Therapy. Maidenhead: Open University Press, 2007.
MLA-viite (9. p.)
Barden, Nicola, ja Tina Williams. Words and Symbols: Language and Communication in Therapy. Open University Press, 2007.
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