Tanner, O., & Graves, E. Bears and Other Carnivores: Wild, Wild World Animal. Times-Life Films.
Cita Chicago Style (17a ed.)Tanner, Ogden, y Eleanor Graves. Bears and Other Carnivores: Wild, Wild World Animal. [New York]: Times-Life Films.
Cita MLA (9a ed.)Tanner, Ogden, y Eleanor Graves. Bears and Other Carnivores: Wild, Wild World Animal. Times-Life Films.
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