Dyfyniad APA

Clark, C. (1992). What's so funny about ninth graden. Troll Associates.

Dyfyniad Arddull Chicago

Clark, Catherine. What's so Funny About Ninth Graden. [Mahwah, N.J.]: Troll Associates, 1992.

Dyfyniad MLA

Clark, Catherine. What's so Funny About Ninth Graden. Troll Associates, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.