Gentile, M. C. (2010). Giving voice to values: How to speak your mind when you know what's right. Yale University Press.
Chicago-viite (17. p.)Gentile, Mary C. Giving Voice to Values: How to Speak Your Mind When You Know What's Right. New Haven [Conn.]: Yale University Press, 2010.
MLA-viite (8. p.)Gentile, Mary C. Giving Voice to Values: How to Speak Your Mind When You Know What's Right. Yale University Press, 2010.
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