Greenwald, T., & Coovert, J. P. (2012). Charlie Joe Jackson's guide to extra credit. Roaring Brook Press.
Lua i Stíl Chicago (17ú heag.)Greenwald, Tom, agus J. P. Coovert. Charlie Joe Jackson's Guide to Extra Credit. New York: Roaring Brook Press, 2012.
Lua MLA (8ú heag.)Greenwald, Tom, agus J. P. Coovert. Charlie Joe Jackson's Guide to Extra Credit. Roaring Brook Press, 2012.
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