CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS (2007.). HEINEMANN LIBRARY.
Cita Chicago (17th ed.)CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. CHICAGO: HEINEMANN LIBRARY.
Cita MLA (9th ed.)CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. HEINEMANN LIBRARY.
Atenció: Aquestes cites poden no estar 100% correctes.