Fensterhem, H. (1978). Dont say yes when you want to say no. Dell Pub.
Chicago-čujuhus (17. p.)Fensterhem, Herbert. Dont Say Yes When You Want to Say No. New York: Dell Pub, 1978.
MLA-čujuhus (9. p.)Fensterhem, Herbert. Dont Say Yes When You Want to Say No. Dell Pub, 1978.
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