Weninger, B., Marks, A., & Martens, M. (1996). Ragged bear. North South Books.
Cita Chicago Style (17a ed.)Weninger, Brigitte, Alan Marks, y Marianne Martens. Ragged Bear. New York: North South Books, 1996.
Cita MLA (8a ed.)Weninger, Brigitte, et al. Ragged Bear. North South Books, 1996.
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