Sprachman, P., & Yung, D. (1995). Calligraphy, commerce, and spirit: An essay on the art of Dorothy Yung / by Paul Sprachman. Coster.
Lua i Stíl Chicago (17ú heag.)Sprachman, Paul, agus Dorothy Yung. Calligraphy, Commerce, and Spirit: An Essay on the Art of Dorothy Yung / by Paul Sprachman. New York, NY: Coster, 1995.
Lua MLA (8ú heag.)Sprachman, Paul, agus Dorothy Yung. Calligraphy, Commerce, and Spirit: An Essay on the Art of Dorothy Yung / by Paul Sprachman. Coster, 1995.
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