Adam Hibbert. (2006). Mighty Machines (Q & A Reference). Parragon Plus.
Chicago Style (17th ed.) CitationAdam Hibbert. Mighty Machines (Q & A Reference). Parragon Plus, 2006.
MLA (9th ed.) CitationAdam Hibbert. Mighty Machines (Q & A Reference). Parragon Plus, 2006.
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