Clark, C. (1992). What's so funny about ninth graden. Troll Associates.
Chicago-viite (17. p.)Clark, Catherine. What's so Funny About Ninth Graden. [Mahwah, N.J.]: Troll Associates, 1992.
MLA-viite (9. p.)Clark, Catherine. What's so Funny About Ninth Graden. Troll Associates, 1992.
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