Hoban, T. (1992). Spirals, curves, fanshapes & lines. Greenwillow Books.
Cita Chicago Style (17a ed.)Hoban, Tana. Spirals, Curves, Fanshapes & Lines. New York: Greenwillow Books, 1992.
Cita MLA (8a ed.)Hoban, Tana. Spirals, Curves, Fanshapes & Lines. Greenwillow Books, 1992.
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