CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS (2007.). HEINEMANN LIBRARY.
Chicagoスタイル(17版)引用形式CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. CHICAGO: HEINEMANN LIBRARY.
MLA(9版)引用形式CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. HEINEMANN LIBRARY.
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