CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS (2007.). HEINEMANN LIBRARY.
Chicago-čujuhus (17. p.)CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. CHICAGO: HEINEMANN LIBRARY.
MLA-čujuhus (9. p.)CRAWFORD TRACEY. CREATURE COMPARISONS - BEARS. 2007. HEINEMANN LIBRARY.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.