Spinelli, E., & Schindler, S. D. (2003). Three pebbles and a song. Dial Books for Young Readers.
Cita Chicago Style (17a ed.)Spinelli, Eileen, y S. D. Schindler. Three Pebbles and a Song. New York: Dial Books for Young Readers, 2003.
Cita MLA (8a ed.)Spinelli, Eileen, y S. D. Schindler. Three Pebbles and a Song. Dial Books for Young Readers, 2003.
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